Dérivation

    f(x) = -x 1+2x MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf f(2 + h) = -2+h 1+2*2+h MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf f(2 + h) = -(2+h) 1+2(2+h) MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf Ne pas oubier les parenthèses

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    Multiplier ou Diviser des Fractions

    2 3 MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf m 2m 3m MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf 2 3 MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf x m 1 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= 2m 3 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Un facteur devant la fraction multiplie seulement le numérateur
    2 3 h 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2 3 MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf h 2 3 h 1 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= 2 3 MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf x 1 h MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf = 2 3h MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf Le numérateur est multiplié par l'inverse du dénominateur
    2 x²+x+1 MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf 2x²+x+1 MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf 2(x²+x+1) MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf Ne pas oublier les parenthèses au numérateur
    - -x+1 x MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf x+1 x MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf x-1 x MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf Le signe "-" revient à multiplier par (-1), et il ne faut pas oublier les parenthèses au numérateur

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    Additionner ou Soustraire des Fractions

    4x + 1 x MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf 4 x + 1 x MMF.7h^U3`00QEOMM^9637j2_0)GiQb7(iXOcgS_2?FVW0K80Fnf5mbhFcOU=86]*m[|i_3^eOcHUUVKQY3XTfHTOAZ=(=_il^=Z_ISVlmGbj_eZ)e]WdgbeSQK5lLm5lKSk([X_ZiO3_WPJOMk]AonH2NOSZfdncnnb:?_k]CS^3_][*=E3]]jPTdS5Xb*N(MCl=(fc2)8AeoQVP7l1?S3fPM_UfJogMm?i(QYOWJjfVbc?il]KVl1V|i`^|^SCBeV==^Ga^=|oh^ZGHlCRaF9FkXn_eKMUnJn?P6[XEo(c=OMZdJYGCkoOEVGiEf)COKKPCYfi0jm)nX?[)=lmUblSe8gFQnMRgeQ(?3^lES_TA]NWPn]QR?D0KASP3IN8`bGV(40M1[S3(7WXI`o3m?TioA2L3igj07enRCjoA9l?d)L3m?T`OMi?W`oC5`)W;`KXRg?jC_lM[`j?PG|IHXQEd:(f5|[;0VF*0DP4)RaBe|238K6686_RbMQ5B*0Y0Q=TK628oNj_TIFI5fdJ46A)U]Pde(AhH=)0H51=i:l^ReZ_TA^KR82(*cc|CdT*UhRZ0I1(^:e)T6eh:*9`EIP4cf0CZ)F4)[Ie054SFhVT1VTW)LhXJI82]aE8Jb08)di;`1GI*U?P^|f=Vfi(FP=14a102R;L6MA0=0N8*=;CDAgW8VWS2Tf82d=mY`A8VX:d:ISP*792E*ZjC5;PDi3e*Y_2MF((gE3gSb54I4Z8:4IKRjJQK1YQ_j97XJC]TkXMU;|F=B^Ed1i*=P|NI4?T])fdQ16I]4;2fi8V]0R92el3eGY=4^;97X:XldR(HebS]8fRjFG*]14dRJm]o70I]7BEe*4Y^|FB[f=ZdX[JaYM1MWdHDSHf_0Rn30e_O1oFB50CKDCS^j16BD_=f0B^VgUPR2E]Dd|ITDWiDdhRYZ:]K2Y9NjN:74bJd2fJM4aZ:4S93*?6)[)5*AObc^0BI?8`BH5Z3`QHIbPagD66UP|HJD*0e[5eAR)h`MBHQ2]]HoCG|X6:KT`Xd;5|PBg:MN)bDaDg89_C1cLRN*dh1NiVe82Fa(e8gR1j=^36Y6T*J*gPi7:0X9mCKT`f0`H4^An0Pi:e2eeoeQV6BJVJYIgCLL)b:JBKUReZBW8k_LN?C1Jk]6)1ocgb(JdE7)YJlAF|[X^LWOj7H1Fhb`Bm2Gn=VgcF:]6S21K7dV4A[(YYOWP5Jn:b6(Y:=eK][;YS=AOgYYN[lCo50W|T_EV_Ej|lHQ)lCfbBh1^|P4f6:_Nil?c7fML?[h(N7OoaHM8KA(oRWRM?Kk1?WM)Z)XAemV7cI[L_ZVlNJlC;l[4hUQhKa)_bbGdIliXD=*m5]B]nNbYib=IBb8iO0[;9Ifo7ZPRHTadOPdkdj6B?CYgYRRMTH1lSl4HKmh^Oc06Pc9c|T;0]EEBMiM:ZgMUHQ*`[YGF2RfMgJcb(iJ5ja^nTNOUf3?gYGc1Q[|=WZk_EnCXlCOOC8n0fg7CcRg))d^KC8[9UVbocb;[Ko;cjO3?MI=Ih|]jGNKK(kOOEVoM]7RGSMbnX8(fR]o5Ynh1?NN?CbB_TN(2ngN33TaVS3[a)h1j(lQn81k6=.mmf = 4 + 1 On ne peut pas simplifier par x Il faudrait que x soit en facteur de tout le numérateur pour pouvoir simplifier par x.
    2 x²+x+1 MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf 2x²+x+1 MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf 2(x²+x+1) MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf Ne pas oublier les parenthèses au numérateur
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x-3 4 MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf x-(x-3) 5-4 MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf 4x 20 MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf - 5(x-3) 20 MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf = 4x-5(x-3) 20 MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf Vous ne pouvez pas soustraire (ou additionner) les termes au numérateur et dénominateur, il faut mettre les fractions sous le même dénominateur

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    Résoudre une Equation

    x + 1 = 2 x MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf - 1 x + 1*x = 2 - 1 (x + 1) x = 2 - 1*x On multiplie à droite et à gauche par x sans oublier de mettre des parenthèses
    ( 2 MMF.7h]Z3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDh_bB8cCPbi(b[ZJfU9:bfdBSmnm`799PPZYF9J=3l1RlF6a4;EMI)mGjnD|GjbbRmN;kGbMc_;E)UPFaknFaL?^lnB^[9h?nn9alW6gWoa[Ye9NGVccAGjK1^To;lEaMmQO0J[^doD6P`*VW4CQA:3VUeVN1R32RMCh5X1Z|)o0_=(J[NW_MkNcAAILG[aMK3MYWRnb6lYP|lUVbcChl5aFTdei?)kf3nSmO0a4^5c)bogaYOZFUOoEFj0JQ]GbA2e[]N[DZlLoKZZbo;^ejB6K3fM)`T6]SXHgSl=lme*nCe0gFAnNRWe[|N7ll5;]T1_gCdKmHHce26dHh*gWR((iiS127DJh`cQi66H?hoCU:Gfo^A`kmA7jlQamNHjn7:4_AnS;LOYbV;hLYjm6CUn=d5NWm9gn)ehM6H:|I*PQ=5j?fU2IFUHXPoI08hRmTb63m8J835j)FBA;CY472*;[IFaP2)_EG`:BABeB6^1UbE`X3C)e=J0d`1](^o(GUdFSSi6KV2Z?[4?B[doH9RhAd`1PVDRZSYMYNjdlL5FHn|Q02CAba0=C7D0eR2XA=B3Y9BL59leBT5B1Y06:|I)l1=:`9C`56GNiBM_OTmM0l**D|88XM`H=D)d18]3lM4`_^8ZjOEG(R2_;HbL(J9j2YQB|3j0UXjXEMm(Le2WXaY5B^6Z=_Q^Jo[6(R4hH4B=hJo4d3:GQea]n54ICWcC]H=beJ5RIR?N0XBbTUbfCTjkC8|5TePZAk4XJlB94K_|6V2iZ5;58M0RZbB)bSW63TVjGV5n6V3M2c?J?JGmo6F;]:Q]kI?PB8]o|6K=FS6UokFGGQciUBm|[7l_bkFgMQ`eBg(*KdMIMd:2XXfHYPJ]f7UQVBK[D4|5TE_i4|QdCeEDfdJbm4l()9XWhTYQeC68iB=P=0b5j|dE07l[Nh59|lPS=PNT)24A_:8VhQb`_5`SFR02RIn^=AW23ZCDYEm[FF5o;5QZn()8P3WD7Z2QGKLQNEMb0K4lOg8RD3I0L^9_A05hB=b=URoSIP1^C]TF|=D2bb`6:Odji(MT)653|OP0)B]4i^_i|(_BCd[B^_M=a`k8]Y9^F7FY;LS)k`hm(4KZd*hGoJeC_BEI`Z6o5UkNj;W9foQnlEN4ZjoGFokE^lY5EHdCU;HjU`lYKSM?ll?;Fb6DaUUGLFV=WSG]FNgI]L[hJ?bTFd94(I[eN[O90C?4nRFV4Kb01V`aEkW?QjLnC[ane3PIdl|N7bMZP1Y`7WSa[0ceecZ[Zh?gXHO=j]bnZKcF)4FOU*g4|Jf`A[l]7mff|eRBX^BnZGO7Y|I*nFj:*7SmkA(VWGhmEhK5T:mikWA[*j*6M)M4ESlR07R?`AU_gRio(7Z0|W)b*XYHZZYjk9[Dk6e9XkjTY23[?KmMh6=VQN|8_YGWimNSk|gk1E;P)Wjm^EjMnN9[^Id30IKSXnSLG7:G=QfE0IE]TND3Q=[n^?Uk?=RTIgbQjUZMIC]mG[eng)AECG;jB?0odiM_f7_gNg]3cOeEd0IX.mmf - 4 )x - 1 = 2 x - 1 = 2 2 4 MMF.7h^*3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDh_bB8cCPbi|b[ZJfU9::fdBSmjm2g19PPZYF[J53mP5l66a4;EMI)mGjnD|GjbbZkN[kGbMc_;E)UPFacnGaM?^dnBQ[5h?nn9ilW6gWoaSYe9NGfgcAGjO1^WOGh[Sk[2o0JMjC=LKib*`hB*:9l9YOY[UJ*0bW80)9e90Q=8kTk`S5nV_3oNcAAILGif^]Y|dcaOI7FJ`fFBcIAYlN2f[bJHl7WOk9kOjmAR8L;VLUo_SUnYKE_iKQg1Z65K;(kF|eJYC[iio_j_:lZoFYXM|gYdiL`Ne)QX)7XOikZElWCSMI7eh:OJ]aHKc`iMZikSamLWXNQQS?D8KAWS39N9`RCV(D8LAkS1)7XKI`cQmNDkO1iMSYci2GejR;boAUb?di*Qm)DiO3])GhoCEb)V[4O[ZW3kY_k^[8d)*]*`QQ(K[WCIDYYJETd5kX1f8oB:31^T=4AZl73=?5QM57R*)F2nk1XJ`g_di*5WD8ZH1GYI|2JIQY[H6V0IhPfTSOjH|6Wg|^8VYl|PBTWio`X9*8ZH1`3:AF1d_HgR]?:0ZC;eW`0*J)N:)|*jP6XBER1Z*m9:CPY=V:DR|*=80aMQ9GP9Yf1JNPXbkg:C]an*eD3`11J`PR|jP0JXm*0Ld?agCLjjR;Zj:6G5U^Nn40LeCd9R2m*jdI5Beh||d1gD:^UV8:MbdA]l=COmHAT*WS8PA_;Eh6PKCl?|=?`ZS|DnJMS1d;AYF9^8mH30;jFG;i:C[]4P`VKE29;^BA[`84HE_P)VlAQ7cQ8NPVS`RBh`KU7AAHWhIH]h8(H|OHgao6F9=UHdm(W`;TVmRaZ`EHhb__Damj5)f65iiGiJ7]gDO=TQa4fm4FgM1Pj:)V|D4K]YiH9TUjE9;19=InA?98RJZZfbRFG|WQQe(4_4](N^Ha7:*|1|6*_AVRh0nU;g1YMST4IX3dad*R=i*4W4?FEh^4:`A0DC?eQ^=*8)Y=BTZKF^|[fD;3MlHLA27^P=HU9_FIJlZ=23Kd`LJTK81TP)j6*gP9J4I:E_4c`IXC=XF|MH0bBh7:?hiAF)b7C2Pf?d0=bQ5]i3j|lW*Cd[C;^fM3Pg;]Y0d;C_DU^A^m^0n(TE8JHO:_MNXSXUF8=Bg^YNgDQNAWKn3]bZgbgZmmOl]CCjdJ^MAN*^a9:bleI3VQiNgAYC5F5IaJhg96_N|m^;Ni78eoZMHP4LbV?Ej]LX3(GGgBD`Sm`LX^2Ic:_YLN?WSk)]7[H(1WOcaHK8fZ8750dnN]*6O)VMEMO3[l67cM[L_ZVleSQg)bZORF=KH)[`^WnWKF:e9W)JaZ7K5KlnUm=TRQOChbB=(?_ej[0Z?9M_ag^_DP4h?j(bI[WQf3?0a`]eXBko^TmT39`^B2BU|ZJ;Z;MNXY[=1QOH[=CYaRnOgJgLHfJ5jLEm:lo;[dOMWoH:YX0jO[niGin_LJM;?P)2f^Dfg_i1c9fdn;0(|fb;;0gBgnGWelGJfBM5h*^mIWVHiOUnmOM_V*GCmEP^0Ph?T^M]ofSjj3JO]aSf6`KECJ*O8I|PVeOGYi?cm1nR0]2|.mmf x = 3 2 4 MMF.7h^*3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDh_bB8cCPbi|b[ZJfU9::fdBSmjm2g19PPZYF[J53mP5l66a4;EMI)mGjnD|GjbbZkN[kGbMc_;E)UPFacnGaM?^dnBQ[5h?nn9ilW6gWoaSYe9NGfgcAGjO1^WOGh[Sk[2o0JMjC=LKib*`hB*:9l9YOY[UJ*0bW80)9e90Q=8kTk`S5nV_3oNcAAILGif^]Y|dcaOI7FJ`fFBcIAYlN2f[bJHl7WOk9kOjmAR8L;VLUo_SUnYKE_iKQg1Z65K;(kF|eJYC[iio_j_:lZoFYXM|gYdiL`Ne)QX)7XOikZElWCSMI7eh:OJ]aHKc`iMZikSamLWXNQQS?D8KAWS39N9`RCV(D8LAkS1)7XKI`cQmNDkO1iMSYci2GejR;boAUb?di*Qm)DiO3])GhoCEb)V[4O[ZW3kY_k^[8d)*]*`QQ(K[WCIDYYJETd5kX1f8oB:31^T=4AZl73=?5QM57R*)F2nk1XJ`g_di*5WD8ZH1GYI|2JIQY[H6V0IhPfTSOjH|6Wg|^8VYl|PBTWio`X9*8ZH1`3:AF1d_HgR]?:0ZC;eW`0*J)N:)|*jP6XBER1Z*m9:CPY=V:DR|*=80aMQ9GP9Yf1JNPXbkg:C]an*eD3`11J`PR|jP0JXm*0Ld?agCLjjR;Zj:6G5U^Nn40LeCd9R2m*jdI5Beh||d1gD:^UV8:MbdA]l=COmHAT*WS8PA_;Eh6PKCl?|=?`ZS|DnJMS1d;AYF9^8mH30;jFG;i:C[]4P`VKE29;^BA[`84HE_P)VlAQ7cQ8NPVS`RBh`KU7AAHWhIH]h8(H|OHgao6F9=UHdm(W`;TVmRaZ`EHhb__Damj5)f65iiGiJ7]gDO=TQa4fm4FgM1Pj:)V|D4K]YiH9TUjE9;19=InA?98RJZZfbRFG|WQQe(4_4](N^Ha7:*|1|6*_AVRh0nU;g1YMST4IX3dad*R=i*4W4?FEh^4:`A0DC?eQ^=*8)Y=BTZKF^|[fD;3MlHLA27^P=HU9_FIJlZ=23Kd`LJTK81TP)j6*gP9J4I:E_4c`IXC=XF|MH0bBh7:?hiAF)b7C2Pf?d0=bQ5]i3j|lW*Cd[C;^fM3Pg;]Y0d;C_DU^A^m^0n(TE8JHO:_MNXSXUF8=Bg^YNgDQNAWKn3]bZgbgZmmOl]CCjdJ^MAN*^a9:bleI3VQiNgAYC5F5IaJhg96_N|m^;Ni78eoZMHP4LbV?Ej]LX3(GGgBD`Sm`LX^2Ic:_YLN?WSk)]7[H(1WOcaHK8fZ8750dnN]*6O)VMEMO3[l67cM[L_ZVleSQg)bZORF=KH)[`^WnWKF:e9W)JaZ7K5KlnUm=TRQOChbB=(?_ej[0Z?9M_ag^_DP4h?j(bI[WQf3?0a`]eXBko^TmT39`^B2BU|ZJ;Z;MNXY[=1QOH[=CYaRnOgJgLHfJ5jLEm:lo;[dOMWoH:YX0jO[niGin_LJM;?P)2f^Dfg_i1c9fdn;0(|fb;;0gBgnGWelGJfBM5h*^mIWVHiOUnmOM_V*GCmEP^0Ph?T^M]ofSjj3JO]aSf6`KECJ*O8I|PVeOGYi?cm1nR0]2|.mmf On fait d'abord basculer le 1 à gauche, puis on divise par 2 MMF.7h]Z3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDh_bB8cCPbi(b[ZJfU9:bfdBSmnm`799PPZYF9J=3l1RlF6a4;EMI)mGjnD|GjbbRmN;kGbMc_;E)UPFaknFaL?^lnB^[9h?nn9alW6gWoa[Ye9NGVccAGjK1^To;lEaMmQO0J[^doD6P`*VW4CQA:3VUeVN1R32RMCh5X1Z|)o0_=(J[NW_MkNcAAILG[aMK3MYWRnb6lYP|lUVbcChl5aFTdei?)kf3nSmO0a4^5c)bogaYOZFUOoEFj0JQ]GbA2e[]N[DZlLoKZZbo;^ejB6K3fM)`T6]SXHgSl=lme*nCe0gFAnNRWe[|N7ll5;]T1_gCdKmHHce26dHh*gWR((iiS127DJh`cQi66H?hoCU:Gfo^A`kmA7jlQamNHjn7:4_AnS;LOYbV;hLYjm6CUn=d5NWm9gn)ehM6H:|I*PQ=5j?fU2IFUHXPoI08hRmTb63m8J835j)FBA;CY472*;[IFaP2)_EG`:BABeB6^1UbE`X3C)e=J0d`1](^o(GUdFSSi6KV2Z?[4?B[doH9RhAd`1PVDRZSYMYNjdlL5FHn|Q02CAba0=C7D0eR2XA=B3Y9BL59leBT5B1Y06:|I)l1=:`9C`56GNiBM_OTmM0l**D|88XM`H=D)d18]3lM4`_^8ZjOEG(R2_;HbL(J9j2YQB|3j0UXjXEMm(Le2WXaY5B^6Z=_Q^Jo[6(R4hH4B=hJo4d3:GQea]n54ICWcC]H=beJ5RIR?N0XBbTUbfCTjkC8|5TePZAk4XJlB94K_|6V2iZ5;58M0RZbB)bSW63TVjGV5n6V3M2c?J?JGmo6F;]:Q]kI?PB8]o|6K=FS6UokFGGQciUBm|[7l_bkFgMQ`eBg(*KdMIMd:2XXfHYPJ]f7UQVBK[D4|5TE_i4|QdCeEDfdJbm4l()9XWhTYQeC68iB=P=0b5j|dE07l[Nh59|lPS=PNT)24A_:8VhQb`_5`SFR02RIn^=AW23ZCDYEm[FF5o;5QZn()8P3WD7Z2QGKLQNEMb0K4lOg8RD3I0L^9_A05hB=b=URoSIP1^C]TF|=D2bb`6:Odji(MT)653|OP0)B]4i^_i|(_BCd[B^_M=a`k8]Y9^F7FY;LS)k`hm(4KZd*hGoJeC_BEI`Z6o5UkNj;W9foQnlEN4ZjoGFokE^lY5EHdCU;HjU`lYKSM?ll?;Fb6DaUUGLFV=WSG]FNgI]L[hJ?bTFd94(I[eN[O90C?4nRFV4Kb01V`aEkW?QjLnC[ane3PIdl|N7bMZP1Y`7WSa[0ceecZ[Zh?gXHO=j]bnZKcF)4FOU*g4|Jf`A[l]7mff|eRBX^BnZGO7Y|I*nFj:*7SmkA(VWGhmEhK5T:mikWA[*j*6M)M4ESlR07R?`AU_gRio(7Z0|W)b*XYHZZYjk9[Dk6e9XkjTY23[?KmMh6=VQN|8_YGWimNSk|gk1E;P)Wjm^EjMnN9[^Id30IKSXnSLG7:G=QfE0IE]TND3Q=[n^?Uk?=RTIgbQjUZMIC]mG[eng)AECG;jB?0odiM_f7_gNg]3cOeEd0IX.mmf - 4
    -3x = 0 x = 3 x = 0 -3 MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf = 0 C'est bien une multiplication qu'il y a entre le -3 et le x
    (x + 2) - 1 = 0 x + 2 = 0 -1 MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf x + 2 = 1 Cette fois-ci ça n'est pas le cas, c'est un "-"
    (x + 3)(x - 1) = 0 (x + 3) = 0 x + 3 = 0 ou x - 1 = 0 Il y a autant de cas que de facteurs
    h(1 + 2x) = h 1 + 2x = 0 1 + 2x = 1 On divise à droite et à gauche par h
    x² = -4 x = -4 MMF.7h]Z3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDh_bB8cCPbi(b[ZJfU9:bfdBSmnm`799PPZYF9J=3l1RlF6a4;EMI)mGjnD|GjbbRmN;kGbMc_;E)UPFaknFaL?^lnB^[9h?nn9alW6gWoa[Ye9NGVccAGjK1^To;lEaMmQO0J[^doD6P`*VW4CQA:3VUeVN1R32RMCh5X1Z|)o0_=(J[NW_MkNcAAILG[aMK3MYWRnb6lYP|lUVbcChl5aFTdei?)kf3nSmO0a4^5c)bogaYOZFUOoEFj0JQ]GbA2e[]N[DZlLoKZZbo;^ejB6K3fM)`T6]SXHgSl=lme*nCe0gFAnNRWe[|N7ll5;]T1_gCdKmHHce26dHh*gWR((iiS127DJh`cQi66H?hoCU:Gfo^A`kmA7jlQamNHjn7:4_AnS;LOYbV;hLYjm6CUn=d5NWm9gn)ehM6H:|I*PQ=5j?fU2IFUHXPoI08hRmTb63m8J835j)FBA;CY472*;[IFaP2)_EG`:BABeB6^1UbE`X3C)e=J0d`1](^o(GUdFSSi6KV2Z?[4?B[doH9RhAd`1PVDRZSYMYNjdlL5FHn|Q02CAba0=C7D0eR2XA=B3Y9BL59leBT5B1Y06:|I)l1=:`9C`56GNiBM_OTmM0l**D|88XM`H=D)d18]3lM4`_^8ZjOEG(R2_;HbL(J9j2YQB|3j0UXjXEMm(Le2WXaY5B^6Z=_Q^Jo[6(R4hH4B=hJo4d3:GQea]n54ICWcC]H=beJ5RIR?N0XBbTUbfCTjkC8|5TePZAk4XJlB94K_|6V2iZ5;58M0RZbB)bSW63TVjGV5n6V3M2c?J?JGmo6F;]:Q]kI?PB8]o|6K=FS6UokFGGQciUBm|[7l_bkFgMQ`eBg(*KdMIMd:2XXfHYPJ]f7UQVBK[D4|5TE_i4|QdCeEDfdJbm4l()9XWhTYQeC68iB=P=0b5j|dE07l[Nh59|lPS=PNT)24A_:8VhQb`_5`SFR02RIn^=AW23ZCDYEm[FF5o;5QZn()8P3WD7Z2QGKLQNEMb0K4lOg8RD3I0L^9_A05hB=b=URoSIP1^C]TF|=D2bb`6:Odji(MT)653|OP0)B]4i^_i|(_BCd[B^_M=a`k8]Y9^F7FY;LS)k`hm(4KZd*hGoJeC_BEI`Z6o5UkNj;W9foQnlEN4ZjoGFokE^lY5EHdCU;HjU`lYKSM?ll?;Fb6DaUUGLFV=WSG]FNgI]L[hJ?bTFd94(I[eN[O90C?4nRFV4Kb01V`aEkW?QjLnC[ane3PIdl|N7bMZP1Y`7WSa[0ceecZ[Zh?gXHO=j]bnZKcF)4FOU*g4|Jf`A[l]7mff|eRBX^BnZGO7Y|I*nFj:*7SmkA(VWGhmEhK5T:mikWA[*j*6M)M4ESlR07R?`AU_gRio(7Z0|W)b*XYHZZYjk9[Dk6e9XkjTY23[?KmMh6=VQN|8_YGWimNSk|gk1E;P)Wjm^EjMnN9[^Id30IKSXnSLG7:G=QfE0IE]TND3Q=[n^?Uk?=RTIgbQjUZMIC]mG[eng)AECG;jB?0odiM_f7_gNg]3cOeEd0IX.mmf pas de solution car -4 < 0 Un terme au carrée est toujours positif
    x² = 9 x = 9 MMF.7h]Z3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDh_bB8cCPbi(b[ZJfU9:bfdBSmnm`799PPZYF9J=3l1RlF6a4;EMI)mGjnD|GjbbRmN;kGbMc_;E)UPFaknFaL?^lnB^[9h?nn9alW6gWoa[Ye9NGVccAGjK1^To;lEaMmQO0J[^doD6P`*VW4CQA:3VUeVN1R32RMCh5X1Z|)o0_=(J[NW_MkNcAAILG[aMK3MYWRnb6lYP|lUVbcChl5aFTdei?)kf3nSmO0a4^5c)bogaYOZFUOoEFj0JQ]GbA2e[]N[DZlLoKZZbo;^ejB6K3fM)`T6]SXHgSl=lme*nCe0gFAnNRWe[|N7ll5;]T1_gCdKmHHce26dHh*gWR((iiS127DJh`cQi66H?hoCU:Gfo^A`kmA7jlQamNHjn7:4_AnS;LOYbV;hLYjm6CUn=d5NWm9gn)ehM6H:|I*PQ=5j?fU2IFUHXPoI08hRmTb63m8J835j)FBA;CY472*;[IFaP2)_EG`:BABeB6^1UbE`X3C)e=J0d`1](^o(GUdFSSi6KV2Z?[4?B[doH9RhAd`1PVDRZSYMYNjdlL5FHn|Q02CAba0=C7D0eR2XA=B3Y9BL59leBT5B1Y06:|I)l1=:`9C`56GNiBM_OTmM0l**D|88XM`H=D)d18]3lM4`_^8ZjOEG(R2_;HbL(J9j2YQB|3j0UXjXEMm(Le2WXaY5B^6Z=_Q^Jo[6(R4hH4B=hJo4d3:GQea]n54ICWcC]H=beJ5RIR?N0XBbTUbfCTjkC8|5TePZAk4XJlB94K_|6V2iZ5;58M0RZbB)bSW63TVjGV5n6V3M2c?J?JGmo6F;]:Q]kI?PB8]o|6K=FS6UokFGGQciUBm|[7l_bkFgMQ`eBg(*KdMIMd:2XXfHYPJ]f7UQVBK[D4|5TE_i4|QdCeEDfdJbm4l()9XWhTYQeC68iB=P=0b5j|dE07l[Nh59|lPS=PNT)24A_:8VhQb`_5`SFR02RIn^=AW23ZCDYEm[FF5o;5QZn()8P3WD7Z2QGKLQNEMb0K4lOg8RD3I0L^9_A05hB=b=URoSIP1^C]TF|=D2bb`6:Odji(MT)653|OP0)B]4i^_i|(_BCd[B^_M=a`k8]Y9^F7FY;LS)k`hm(4KZd*hGoJeC_BEI`Z6o5UkNj;W9foQnlEN4ZjoGFokE^lY5EHdCU;HjU`lYKSM?ll?;Fb6DaUUGLFV=WSG]FNgI]L[hJ?bTFd94(I[eN[O90C?4nRFV4Kb01V`aEkW?QjLnC[ane3PIdl|N7bMZP1Y`7WSa[0ceecZ[Zh?gXHO=j]bnZKcF)4FOU*g4|Jf`A[l]7mff|eRBX^BnZGO7Y|I*nFj:*7SmkA(VWGhmEhK5T:mikWA[*j*6M)M4ESlR07R?`AU_gRio(7Z0|W)b*XYHZZYjk9[Dk6e9XkjTY23[?KmMh6=VQN|8_YGWimNSk|gk1E;P)Wjm^EjMnN9[^Id30IKSXnSLG7:G=QfE0IE]TND3Q=[n^?Uk?=RTIgbQjUZMIC]mG[eng)AECG;jB?0odiM_f7_gNg]3cOeEd0IX.mmf x = 9 MMF.7h]Z3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDh_bB8cCPbi(b[ZJfU9:bfdBSmnm`799PPZYF9J=3l1RlF6a4;EMI)mGjnD|GjbbRmN;kGbMc_;E)UPFaknFaL?^lnB^[9h?nn9alW6gWoa[Ye9NGVccAGjK1^To;lEaMmQO0J[^doD6P`*VW4CQA:3VUeVN1R32RMCh5X1Z|)o0_=(J[NW_MkNcAAILG[aMK3MYWRnb6lYP|lUVbcChl5aFTdei?)kf3nSmO0a4^5c)bogaYOZFUOoEFj0JQ]GbA2e[]N[DZlLoKZZbo;^ejB6K3fM)`T6]SXHgSl=lme*nCe0gFAnNRWe[|N7ll5;]T1_gCdKmHHce26dHh*gWR((iiS127DJh`cQi66H?hoCU:Gfo^A`kmA7jlQamNHjn7:4_AnS;LOYbV;hLYjm6CUn=d5NWm9gn)ehM6H:|I*PQ=5j?fU2IFUHXPoI08hRmTb63m8J835j)FBA;CY472*;[IFaP2)_EG`:BABeB6^1UbE`X3C)e=J0d`1](^o(GUdFSSi6KV2Z?[4?B[doH9RhAd`1PVDRZSYMYNjdlL5FHn|Q02CAba0=C7D0eR2XA=B3Y9BL59leBT5B1Y06:|I)l1=:`9C`56GNiBM_OTmM0l**D|88XM`H=D)d18]3lM4`_^8ZjOEG(R2_;HbL(J9j2YQB|3j0UXjXEMm(Le2WXaY5B^6Z=_Q^Jo[6(R4hH4B=hJo4d3:GQea]n54ICWcC]H=beJ5RIR?N0XBbTUbfCTjkC8|5TePZAk4XJlB94K_|6V2iZ5;58M0RZbB)bSW63TVjGV5n6V3M2c?J?JGmo6F;]:Q]kI?PB8]o|6K=FS6UokFGGQciUBm|[7l_bkFgMQ`eBg(*KdMIMd:2XXfHYPJ]f7UQVBK[D4|5TE_i4|QdCeEDfdJbm4l()9XWhTYQeC68iB=P=0b5j|dE07l[Nh59|lPS=PNT)24A_:8VhQb`_5`SFR02RIn^=AW23ZCDYEm[FF5o;5QZn()8P3WD7Z2QGKLQNEMb0K4lOg8RD3I0L^9_A05hB=b=URoSIP1^C]TF|=D2bb`6:Odji(MT)653|OP0)B]4i^_i|(_BCd[B^_M=a`k8]Y9^F7FY;LS)k`hm(4KZd*hGoJeC_BEI`Z6o5UkNj;W9foQnlEN4ZjoGFokE^lY5EHdCU;HjU`lYKSM?ll?;Fb6DaUUGLFV=WSG]FNgI]L[hJ?bTFd94(I[eN[O90C?4nRFV4Kb01V`aEkW?QjLnC[ane3PIdl|N7bMZP1Y`7WSa[0ceecZ[Zh?gXHO=j]bnZKcF)4FOU*g4|Jf`A[l]7mff|eRBX^BnZGO7Y|I*nFj:*7SmkA(VWGhmEhK5T:mikWA[*j*6M)M4ESlR07R?`AU_gRio(7Z0|W)b*XYHZZYjk9[Dk6e9XkjTY23[?KmMh6=VQN|8_YGWimNSk|gk1E;P)Wjm^EjMnN9[^Id30IKSXnSLG7:G=QfE0IE]TND3Q=[n^?Uk?=RTIgbQjUZMIC]mG[eng)AECG;jB?0odiM_f7_gNg]3cOeEd0IX.mmf ou x = - 9 MMF.7h]Z3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDh_bB8cCPbi(b[ZJfU9:bfdBSmnm`799PPZYF9J=3l1RlF6a4;EMI)mGjnD|GjbbRmN;kGbMc_;E)UPFaknFaL?^lnB^[9h?nn9alW6gWoa[Ye9NGVccAGjK1^To;lEaMmQO0J[^doD6P`*VW4CQA:3VUeVN1R32RMCh5X1Z|)o0_=(J[NW_MkNcAAILG[aMK3MYWRnb6lYP|lUVbcChl5aFTdei?)kf3nSmO0a4^5c)bogaYOZFUOoEFj0JQ]GbA2e[]N[DZlLoKZZbo;^ejB6K3fM)`T6]SXHgSl=lme*nCe0gFAnNRWe[|N7ll5;]T1_gCdKmHHce26dHh*gWR((iiS127DJh`cQi66H?hoCU:Gfo^A`kmA7jlQamNHjn7:4_AnS;LOYbV;hLYjm6CUn=d5NWm9gn)ehM6H:|I*PQ=5j?fU2IFUHXPoI08hRmTb63m8J835j)FBA;CY472*;[IFaP2)_EG`:BABeB6^1UbE`X3C)e=J0d`1](^o(GUdFSSi6KV2Z?[4?B[doH9RhAd`1PVDRZSYMYNjdlL5FHn|Q02CAba0=C7D0eR2XA=B3Y9BL59leBT5B1Y06:|I)l1=:`9C`56GNiBM_OTmM0l**D|88XM`H=D)d18]3lM4`_^8ZjOEG(R2_;HbL(J9j2YQB|3j0UXjXEMm(Le2WXaY5B^6Z=_Q^Jo[6(R4hH4B=hJo4d3:GQea]n54ICWcC]H=beJ5RIR?N0XBbTUbfCTjkC8|5TePZAk4XJlB94K_|6V2iZ5;58M0RZbB)bSW63TVjGV5n6V3M2c?J?JGmo6F;]:Q]kI?PB8]o|6K=FS6UokFGGQciUBm|[7l_bkFgMQ`eBg(*KdMIMd:2XXfHYPJ]f7UQVBK[D4|5TE_i4|QdCeEDfdJbm4l()9XWhTYQeC68iB=P=0b5j|dE07l[Nh59|lPS=PNT)24A_:8VhQb`_5`SFR02RIn^=AW23ZCDYEm[FF5o;5QZn()8P3WD7Z2QGKLQNEMb0K4lOg8RD3I0L^9_A05hB=b=URoSIP1^C]TF|=D2bb`6:Odji(MT)653|OP0)B]4i^_i|(_BCd[B^_M=a`k8]Y9^F7FY;LS)k`hm(4KZd*hGoJeC_BEI`Z6o5UkNj;W9foQnlEN4ZjoGFokE^lY5EHdCU;HjU`lYKSM?ll?;Fb6DaUUGLFV=WSG]FNgI]L[hJ?bTFd94(I[eN[O90C?4nRFV4Kb01V`aEkW?QjLnC[ane3PIdl|N7bMZP1Y`7WSa[0ceecZ[Zh?gXHO=j]bnZKcF)4FOU*g4|Jf`A[l]7mff|eRBX^BnZGO7Y|I*nFj:*7SmkA(VWGhmEhK5T:mikWA[*j*6M)M4ESlR07R?`AU_gRio(7Z0|W)b*XYHZZYjk9[Dk6e9XkjTY23[?KmMh6=VQN|8_YGWimNSk|gk1E;P)Wjm^EjMnN9[^Id30IKSXnSLG7:G=QfE0IE]TND3Q=[n^?Uk?=RTIgbQjUZMIC]mG[eng)AECG;jB?0odiM_f7_gNg]3cOeEd0IX.mmf Le passage à la racine carrée fait apparaître 2 cas
    x² + x + 1 (x + 6)x MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf = 0 x² + x + 1 = (x + 6)x x² + x + 1 = 0 On multiplie à droite et à gauche par
    (x + 6)x, et 0*(x + 6)x = 0

    .

    img

    Fonction Carrée et Racine Carrée

    x² = -4 x = -4 MMF.7h]Z3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDh_bB8cCPbi(b[ZJfU9:bfdBSmnm`799PPZYF9J=3l1RlF6a4;EMI)mGjnD|GjbbRmN;kGbMc_;E)UPFaknFaL?^lnB^[9h?nn9alW6gWoa[Ye9NGVccAGjK1^To;lEaMmQO0J[^doD6P`*VW4CQA:3VUeVN1R32RMCh5X1Z|)o0_=(J[NW_MkNcAAILG[aMK3MYWRnb6lYP|lUVbcChl5aFTdei?)kf3nSmO0a4^5c)bogaYOZFUOoEFj0JQ]GbA2e[]N[DZlLoKZZbo;^ejB6K3fM)`T6]SXHgSl=lme*nCe0gFAnNRWe[|N7ll5;]T1_gCdKmHHce26dHh*gWR((iiS127DJh`cQi66H?hoCU:Gfo^A`kmA7jlQamNHjn7:4_AnS;LOYbV;hLYjm6CUn=d5NWm9gn)ehM6H:|I*PQ=5j?fU2IFUHXPoI08hRmTb63m8J835j)FBA;CY472*;[IFaP2)_EG`:BABeB6^1UbE`X3C)e=J0d`1](^o(GUdFSSi6KV2Z?[4?B[doH9RhAd`1PVDRZSYMYNjdlL5FHn|Q02CAba0=C7D0eR2XA=B3Y9BL59leBT5B1Y06:|I)l1=:`9C`56GNiBM_OTmM0l**D|88XM`H=D)d18]3lM4`_^8ZjOEG(R2_;HbL(J9j2YQB|3j0UXjXEMm(Le2WXaY5B^6Z=_Q^Jo[6(R4hH4B=hJo4d3:GQea]n54ICWcC]H=beJ5RIR?N0XBbTUbfCTjkC8|5TePZAk4XJlB94K_|6V2iZ5;58M0RZbB)bSW63TVjGV5n6V3M2c?J?JGmo6F;]:Q]kI?PB8]o|6K=FS6UokFGGQciUBm|[7l_bkFgMQ`eBg(*KdMIMd:2XXfHYPJ]f7UQVBK[D4|5TE_i4|QdCeEDfdJbm4l()9XWhTYQeC68iB=P=0b5j|dE07l[Nh59|lPS=PNT)24A_:8VhQb`_5`SFR02RIn^=AW23ZCDYEm[FF5o;5QZn()8P3WD7Z2QGKLQNEMb0K4lOg8RD3I0L^9_A05hB=b=URoSIP1^C]TF|=D2bb`6:Odji(MT)653|OP0)B]4i^_i|(_BCd[B^_M=a`k8]Y9^F7FY;LS)k`hm(4KZd*hGoJeC_BEI`Z6o5UkNj;W9foQnlEN4ZjoGFokE^lY5EHdCU;HjU`lYKSM?ll?;Fb6DaUUGLFV=WSG]FNgI]L[hJ?bTFd94(I[eN[O90C?4nRFV4Kb01V`aEkW?QjLnC[ane3PIdl|N7bMZP1Y`7WSa[0ceecZ[Zh?gXHO=j]bnZKcF)4FOU*g4|Jf`A[l]7mff|eRBX^BnZGO7Y|I*nFj:*7SmkA(VWGhmEhK5T:mikWA[*j*6M)M4ESlR07R?`AU_gRio(7Z0|W)b*XYHZZYjk9[Dk6e9XkjTY23[?KmMh6=VQN|8_YGWimNSk|gk1E;P)Wjm^EjMnN9[^Id30IKSXnSLG7:G=QfE0IE]TND3Q=[n^?Uk?=RTIgbQjUZMIC]mG[eng)AECG;jB?0odiM_f7_gNg]3cOeEd0IX.mmf pas de solution car -4 < 0 Un terme au carrée est toujours positif
    x² = 9 x = 9 MMF.7h]Z3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDh_bB8cCPbi(b[ZJfU9:bfdBSmnm`799PPZYF9J=3l1RlF6a4;EMI)mGjnD|GjbbRmN;kGbMc_;E)UPFaknFaL?^lnB^[9h?nn9alW6gWoa[Ye9NGVccAGjK1^To;lEaMmQO0J[^doD6P`*VW4CQA:3VUeVN1R32RMCh5X1Z|)o0_=(J[NW_MkNcAAILG[aMK3MYWRnb6lYP|lUVbcChl5aFTdei?)kf3nSmO0a4^5c)bogaYOZFUOoEFj0JQ]GbA2e[]N[DZlLoKZZbo;^ejB6K3fM)`T6]SXHgSl=lme*nCe0gFAnNRWe[|N7ll5;]T1_gCdKmHHce26dHh*gWR((iiS127DJh`cQi66H?hoCU:Gfo^A`kmA7jlQamNHjn7:4_AnS;LOYbV;hLYjm6CUn=d5NWm9gn)ehM6H:|I*PQ=5j?fU2IFUHXPoI08hRmTb63m8J835j)FBA;CY472*;[IFaP2)_EG`:BABeB6^1UbE`X3C)e=J0d`1](^o(GUdFSSi6KV2Z?[4?B[doH9RhAd`1PVDRZSYMYNjdlL5FHn|Q02CAba0=C7D0eR2XA=B3Y9BL59leBT5B1Y06:|I)l1=:`9C`56GNiBM_OTmM0l**D|88XM`H=D)d18]3lM4`_^8ZjOEG(R2_;HbL(J9j2YQB|3j0UXjXEMm(Le2WXaY5B^6Z=_Q^Jo[6(R4hH4B=hJo4d3:GQea]n54ICWcC]H=beJ5RIR?N0XBbTUbfCTjkC8|5TePZAk4XJlB94K_|6V2iZ5;58M0RZbB)bSW63TVjGV5n6V3M2c?J?JGmo6F;]:Q]kI?PB8]o|6K=FS6UokFGGQciUBm|[7l_bkFgMQ`eBg(*KdMIMd:2XXfHYPJ]f7UQVBK[D4|5TE_i4|QdCeEDfdJbm4l()9XWhTYQeC68iB=P=0b5j|dE07l[Nh59|lPS=PNT)24A_:8VhQb`_5`SFR02RIn^=AW23ZCDYEm[FF5o;5QZn()8P3WD7Z2QGKLQNEMb0K4lOg8RD3I0L^9_A05hB=b=URoSIP1^C]TF|=D2bb`6:Odji(MT)653|OP0)B]4i^_i|(_BCd[B^_M=a`k8]Y9^F7FY;LS)k`hm(4KZd*hGoJeC_BEI`Z6o5UkNj;W9foQnlEN4ZjoGFokE^lY5EHdCU;HjU`lYKSM?ll?;Fb6DaUUGLFV=WSG]FNgI]L[hJ?bTFd94(I[eN[O90C?4nRFV4Kb01V`aEkW?QjLnC[ane3PIdl|N7bMZP1Y`7WSa[0ceecZ[Zh?gXHO=j]bnZKcF)4FOU*g4|Jf`A[l]7mff|eRBX^BnZGO7Y|I*nFj:*7SmkA(VWGhmEhK5T:mikWA[*j*6M)M4ESlR07R?`AU_gRio(7Z0|W)b*XYHZZYjk9[Dk6e9XkjTY23[?KmMh6=VQN|8_YGWimNSk|gk1E;P)Wjm^EjMnN9[^Id30IKSXnSLG7:G=QfE0IE]TND3Q=[n^?Uk?=RTIgbQjUZMIC]mG[eng)AECG;jB?0odiM_f7_gNg]3cOeEd0IX.mmf x = 9 MMF.7h]Z3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDh_bB8cCPbi(b[ZJfU9:bfdBSmnm`799PPZYF9J=3l1RlF6a4;EMI)mGjnD|GjbbRmN;kGbMc_;E)UPFaknFaL?^lnB^[9h?nn9alW6gWoa[Ye9NGVccAGjK1^To;lEaMmQO0J[^doD6P`*VW4CQA:3VUeVN1R32RMCh5X1Z|)o0_=(J[NW_MkNcAAILG[aMK3MYWRnb6lYP|lUVbcChl5aFTdei?)kf3nSmO0a4^5c)bogaYOZFUOoEFj0JQ]GbA2e[]N[DZlLoKZZbo;^ejB6K3fM)`T6]SXHgSl=lme*nCe0gFAnNRWe[|N7ll5;]T1_gCdKmHHce26dHh*gWR((iiS127DJh`cQi66H?hoCU:Gfo^A`kmA7jlQamNHjn7:4_AnS;LOYbV;hLYjm6CUn=d5NWm9gn)ehM6H:|I*PQ=5j?fU2IFUHXPoI08hRmTb63m8J835j)FBA;CY472*;[IFaP2)_EG`:BABeB6^1UbE`X3C)e=J0d`1](^o(GUdFSSi6KV2Z?[4?B[doH9RhAd`1PVDRZSYMYNjdlL5FHn|Q02CAba0=C7D0eR2XA=B3Y9BL59leBT5B1Y06:|I)l1=:`9C`56GNiBM_OTmM0l**D|88XM`H=D)d18]3lM4`_^8ZjOEG(R2_;HbL(J9j2YQB|3j0UXjXEMm(Le2WXaY5B^6Z=_Q^Jo[6(R4hH4B=hJo4d3:GQea]n54ICWcC]H=beJ5RIR?N0XBbTUbfCTjkC8|5TePZAk4XJlB94K_|6V2iZ5;58M0RZbB)bSW63TVjGV5n6V3M2c?J?JGmo6F;]:Q]kI?PB8]o|6K=FS6UokFGGQciUBm|[7l_bkFgMQ`eBg(*KdMIMd:2XXfHYPJ]f7UQVBK[D4|5TE_i4|QdCeEDfdJbm4l()9XWhTYQeC68iB=P=0b5j|dE07l[Nh59|lPS=PNT)24A_:8VhQb`_5`SFR02RIn^=AW23ZCDYEm[FF5o;5QZn()8P3WD7Z2QGKLQNEMb0K4lOg8RD3I0L^9_A05hB=b=URoSIP1^C]TF|=D2bb`6:Odji(MT)653|OP0)B]4i^_i|(_BCd[B^_M=a`k8]Y9^F7FY;LS)k`hm(4KZd*hGoJeC_BEI`Z6o5UkNj;W9foQnlEN4ZjoGFokE^lY5EHdCU;HjU`lYKSM?ll?;Fb6DaUUGLFV=WSG]FNgI]L[hJ?bTFd94(I[eN[O90C?4nRFV4Kb01V`aEkW?QjLnC[ane3PIdl|N7bMZP1Y`7WSa[0ceecZ[Zh?gXHO=j]bnZKcF)4FOU*g4|Jf`A[l]7mff|eRBX^BnZGO7Y|I*nFj:*7SmkA(VWGhmEhK5T:mikWA[*j*6M)M4ESlR07R?`AU_gRio(7Z0|W)b*XYHZZYjk9[Dk6e9XkjTY23[?KmMh6=VQN|8_YGWimNSk|gk1E;P)Wjm^EjMnN9[^Id30IKSXnSLG7:G=QfE0IE]TND3Q=[n^?Uk?=RTIgbQjUZMIC]mG[eng)AECG;jB?0odiM_f7_gNg]3cOeEd0IX.mmf ou x = - 9 MMF.7h]Z3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDh_bB8cCPbi(b[ZJfU9:bfdBSmnm`799PPZYF9J=3l1RlF6a4;EMI)mGjnD|GjbbRmN;kGbMc_;E)UPFaknFaL?^lnB^[9h?nn9alW6gWoa[Ye9NGVccAGjK1^To;lEaMmQO0J[^doD6P`*VW4CQA:3VUeVN1R32RMCh5X1Z|)o0_=(J[NW_MkNcAAILG[aMK3MYWRnb6lYP|lUVbcChl5aFTdei?)kf3nSmO0a4^5c)bogaYOZFUOoEFj0JQ]GbA2e[]N[DZlLoKZZbo;^ejB6K3fM)`T6]SXHgSl=lme*nCe0gFAnNRWe[|N7ll5;]T1_gCdKmHHce26dHh*gWR((iiS127DJh`cQi66H?hoCU:Gfo^A`kmA7jlQamNHjn7:4_AnS;LOYbV;hLYjm6CUn=d5NWm9gn)ehM6H:|I*PQ=5j?fU2IFUHXPoI08hRmTb63m8J835j)FBA;CY472*;[IFaP2)_EG`:BABeB6^1UbE`X3C)e=J0d`1](^o(GUdFSSi6KV2Z?[4?B[doH9RhAd`1PVDRZSYMYNjdlL5FHn|Q02CAba0=C7D0eR2XA=B3Y9BL59leBT5B1Y06:|I)l1=:`9C`56GNiBM_OTmM0l**D|88XM`H=D)d18]3lM4`_^8ZjOEG(R2_;HbL(J9j2YQB|3j0UXjXEMm(Le2WXaY5B^6Z=_Q^Jo[6(R4hH4B=hJo4d3:GQea]n54ICWcC]H=beJ5RIR?N0XBbTUbfCTjkC8|5TePZAk4XJlB94K_|6V2iZ5;58M0RZbB)bSW63TVjGV5n6V3M2c?J?JGmo6F;]:Q]kI?PB8]o|6K=FS6UokFGGQciUBm|[7l_bkFgMQ`eBg(*KdMIMd:2XXfHYPJ]f7UQVBK[D4|5TE_i4|QdCeEDfdJbm4l()9XWhTYQeC68iB=P=0b5j|dE07l[Nh59|lPS=PNT)24A_:8VhQb`_5`SFR02RIn^=AW23ZCDYEm[FF5o;5QZn()8P3WD7Z2QGKLQNEMb0K4lOg8RD3I0L^9_A05hB=b=URoSIP1^C]TF|=D2bb`6:Odji(MT)653|OP0)B]4i^_i|(_BCd[B^_M=a`k8]Y9^F7FY;LS)k`hm(4KZd*hGoJeC_BEI`Z6o5UkNj;W9foQnlEN4ZjoGFokE^lY5EHdCU;HjU`lYKSM?ll?;Fb6DaUUGLFV=WSG]FNgI]L[hJ?bTFd94(I[eN[O90C?4nRFV4Kb01V`aEkW?QjLnC[ane3PIdl|N7bMZP1Y`7WSa[0ceecZ[Zh?gXHO=j]bnZKcF)4FOU*g4|Jf`A[l]7mff|eRBX^BnZGO7Y|I*nFj:*7SmkA(VWGhmEhK5T:mikWA[*j*6M)M4ESlR07R?`AU_gRio(7Z0|W)b*XYHZZYjk9[Dk6e9XkjTY23[?KmMh6=VQN|8_YGWimNSk|gk1E;P)Wjm^EjMnN9[^Id30IKSXnSLG7:G=QfE0IE]TND3Q=[n^?Uk?=RTIgbQjUZMIC]mG[eng)AECG;jB?0odiM_f7_gNg]3cOeEd0IX.mmf Le passage à la racine carrée fait apparaître 2 cas
    x MMF.7h]Z3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDh_bB8cCPbi(b[ZJfU9:bfdBSmnm`799PPZYF9J=3l1RlF6a4;EMI)mGjnD|GjbbRmN;kGbMc_;E)UPFaknFaL?^lnB^[9h?nn9alW6gWoa[Ye9NGVccAGjK1^To;lEaMmQO0J[^doD6P`*VW4CQA:3VUeVN1R32RMCh5X1Z|)o0_=(J[NW_MkNcAAILG[aMK3MYWRnb6lYP|lUVbcChl5aFTdei?)kf3nSmO0a4^5c)bogaYOZFUOoEFj0JQ]GbA2e[]N[DZlLoKZZbo;^ejB6K3fM)`T6]SXHgSl=lme*nCe0gFAnNRWe[|N7ll5;]T1_gCdKmHHce26dHh*gWR((iiS127DJh`cQi66H?hoCU:Gfo^A`kmA7jlQamNHjn7:4_AnS;LOYbV;hLYjm6CUn=d5NWm9gn)ehM6H:|I*PQ=5j?fU2IFUHXPoI08hRmTb63m8J835j)FBA;CY472*;[IFaP2)_EG`:BABeB6^1UbE`X3C)e=J0d`1](^o(GUdFSSi6KV2Z?[4?B[doH9RhAd`1PVDRZSYMYNjdlL5FHn|Q02CAba0=C7D0eR2XA=B3Y9BL59leBT5B1Y06:|I)l1=:`9C`56GNiBM_OTmM0l**D|88XM`H=D)d18]3lM4`_^8ZjOEG(R2_;HbL(J9j2YQB|3j0UXjXEMm(Le2WXaY5B^6Z=_Q^Jo[6(R4hH4B=hJo4d3:GQea]n54ICWcC]H=beJ5RIR?N0XBbTUbfCTjkC8|5TePZAk4XJlB94K_|6V2iZ5;58M0RZbB)bSW63TVjGV5n6V3M2c?J?JGmo6F;]:Q]kI?PB8]o|6K=FS6UokFGGQciUBm|[7l_bkFgMQ`eBg(*KdMIMd:2XXfHYPJ]f7UQVBK[D4|5TE_i4|QdCeEDfdJbm4l()9XWhTYQeC68iB=P=0b5j|dE07l[Nh59|lPS=PNT)24A_:8VhQb`_5`SFR02RIn^=AW23ZCDYEm[FF5o;5QZn()8P3WD7Z2QGKLQNEMb0K4lOg8RD3I0L^9_A05hB=b=URoSIP1^C]TF|=D2bb`6:Odji(MT)653|OP0)B]4i^_i|(_BCd[B^_M=a`k8]Y9^F7FY;LS)k`hm(4KZd*hGoJeC_BEI`Z6o5UkNj;W9foQnlEN4ZjoGFokE^lY5EHdCU;HjU`lYKSM?ll?;Fb6DaUUGLFV=WSG]FNgI]L[hJ?bTFd94(I[eN[O90C?4nRFV4Kb01V`aEkW?QjLnC[ane3PIdl|N7bMZP1Y`7WSa[0ceecZ[Zh?gXHO=j]bnZKcF)4FOU*g4|Jf`A[l]7mff|eRBX^BnZGO7Y|I*nFj:*7SmkA(VWGhmEhK5T:mikWA[*j*6M)M4ESlR07R?`AU_gRio(7Z0|W)b*XYHZZYjk9[Dk6e9XkjTY23[?KmMh6=VQN|8_YGWimNSk|gk1E;P)Wjm^EjMnN9[^Id30IKSXnSLG7:G=QfE0IE]TND3Q=[n^?Uk?=RTIgbQjUZMIC]mG[eng)AECG;jB?0odiM_f7_gNg]3cOeEd0IX.mmf > - 9 x > 9² x ≥ 0 x MMF.7h]Z3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDh_bB8cCPbi(b[ZJfU9:bfdBSmnm`799PPZYF9J=3l1RlF6a4;EMI)mGjnD|GjbbRmN;kGbMc_;E)UPFaknFaL?^lnB^[9h?nn9alW6gWoa[Ye9NGVccAGjK1^To;lEaMmQO0J[^doD6P`*VW4CQA:3VUeVN1R32RMCh5X1Z|)o0_=(J[NW_MkNcAAILG[aMK3MYWRnb6lYP|lUVbcChl5aFTdei?)kf3nSmO0a4^5c)bogaYOZFUOoEFj0JQ]GbA2e[]N[DZlLoKZZbo;^ejB6K3fM)`T6]SXHgSl=lme*nCe0gFAnNRWe[|N7ll5;]T1_gCdKmHHce26dHh*gWR((iiS127DJh`cQi66H?hoCU:Gfo^A`kmA7jlQamNHjn7:4_AnS;LOYbV;hLYjm6CUn=d5NWm9gn)ehM6H:|I*PQ=5j?fU2IFUHXPoI08hRmTb63m8J835j)FBA;CY472*;[IFaP2)_EG`:BABeB6^1UbE`X3C)e=J0d`1](^o(GUdFSSi6KV2Z?[4?B[doH9RhAd`1PVDRZSYMYNjdlL5FHn|Q02CAba0=C7D0eR2XA=B3Y9BL59leBT5B1Y06:|I)l1=:`9C`56GNiBM_OTmM0l**D|88XM`H=D)d18]3lM4`_^8ZjOEG(R2_;HbL(J9j2YQB|3j0UXjXEMm(Le2WXaY5B^6Z=_Q^Jo[6(R4hH4B=hJo4d3:GQea]n54ICWcC]H=beJ5RIR?N0XBbTUbfCTjkC8|5TePZAk4XJlB94K_|6V2iZ5;58M0RZbB)bSW63TVjGV5n6V3M2c?J?JGmo6F;]:Q]kI?PB8]o|6K=FS6UokFGGQciUBm|[7l_bkFgMQ`eBg(*KdMIMd:2XXfHYPJ]f7UQVBK[D4|5TE_i4|QdCeEDfdJbm4l()9XWhTYQeC68iB=P=0b5j|dE07l[Nh59|lPS=PNT)24A_:8VhQb`_5`SFR02RIn^=AW23ZCDYEm[FF5o;5QZn()8P3WD7Z2QGKLQNEMb0K4lOg8RD3I0L^9_A05hB=b=URoSIP1^C]TF|=D2bb`6:Odji(MT)653|OP0)B]4i^_i|(_BCd[B^_M=a`k8]Y9^F7FY;LS)k`hm(4KZd*hGoJeC_BEI`Z6o5UkNj;W9foQnlEN4ZjoGFokE^lY5EHdCU;HjU`lYKSM?ll?;Fb6DaUUGLFV=WSG]FNgI]L[hJ?bTFd94(I[eN[O90C?4nRFV4Kb01V`aEkW?QjLnC[ane3PIdl|N7bMZP1Y`7WSa[0ceecZ[Zh?gXHO=j]bnZKcF)4FOU*g4|Jf`A[l]7mff|eRBX^BnZGO7Y|I*nFj:*7SmkA(VWGhmEhK5T:mikWA[*j*6M)M4ESlR07R?`AU_gRio(7Z0|W)b*XYHZZYjk9[Dk6e9XkjTY23[?KmMh6=VQN|8_YGWimNSk|gk1E;P)Wjm^EjMnN9[^Id30IKSXnSLG7:G=QfE0IE]TND3Q=[n^?Uk?=RTIgbQjUZMIC]mG[eng)AECG;jB?0odiM_f7_gNg]3cOeEd0IX.mmf est positive donc est toujours > à -9 à condition de respecter son ensemble de définition x ∈ 0 ; + MMF.7h_N3`00QEMOLn963?l4n*hlVQV7FNdONgem8]BG(PdV0kiL7gQa[fk:=86[`kEgcNBkEeZ_KIVcJDR2OY9FdTn[GLa^VKeOKeKcO;W)[Uj_MX]=)|oGVf1EW?iH5HokCi?k|WXi7XZWbLOmHO:gWDTi_M[Ubo`^3M:o_QBWoO5`3JQjB3MK31:HL1:54h6J7nMi6P244jW`C`2Z8GjWTWMBXcGmiOi^_|b2jMGKeFjKi_Tb^jD:]]]|_TZ33bmU=MVFYm?nl8SN;jM0Q:_EXSbL_UCO|_:O)PFZHEP]cmBbEZ])_GkjkKHZbcmKVajbnG3V;1cDjVPhNAcVnnObIH:jbNKhG1aJR`dGaboE7[UaofCD7lIHSm264Mi`RCQLHPhSe664)hbCQf7f(4iOW]?gbNGH[Xo*UiOXbd_di*Qm)D9OS])G`oCU)7de|_]ZQ;hjYnodon;ATB78FXH**^?eZ0fEZFF5(VP?=8;H)aTbB6n8b)3UV4Fbi1AiT22`G|H1Q[1NoCTPFM*RU*5NU|b5bS0cF`(Z0kc1]9To^bXJOHcLa4aiI1fBOWg2T[Q2C0)0EB:Y)ejVm5Yih;X`li612VSTR0NV?X1Z47DRJT3B:dh:CYZE8:T3B*(DHbMi2jAQBgP9(^iZTkJOToM0l*8D|8HX]`L=D)d68]1lMd`_^8Zj_2YVa9GU|A(6=2m1D`WF1m2BDMF:^fT)jQ9dhdPUG;M6?`g=o5Q6A2N(R15l]7PIQ|[`j`gO2Z=YCYYa()iH=:a(a6O0D1GBbiK9BCMYTF0b6hE8MRf=N1(RUkh1YX|JAB`BKH9ZjXR|HmbPY(|Bll(*ld68FOjHl__346_GfMPS`iL*nBIWc4HaY_cJbfh)OLVFdR|Obo;d]Yk31RU^hX=XjbUXD=AA|eC0MG|OF6I9^]8B`FCFoTBbS8WZ)Y]X=]j9HA^CA7a9c2HV|A`Tk8B14;fkAD0Ob]k5YMS=8c*7Y]|P4;e;BL*mI7Vk*;11110mFnmZ17La]BKUF]|Jjf?I*|(GAQc4XNh0=NFj3MW[R[|Pfmd7MdG:1TP)g(UX06n9^b=URoSNP;|VKH_HJ81TQ`(DoiabefAk`H1Ri`?`XQBMXi_?YT9oDi[F]KLkk[9|6nU^b`je;KVMgn=7YPQMfJ72ma[E)LT:3_F]n?9F=dG)c]o1FaF^|Ui_oGo[KSjbJXbX_(FaM5QiZg6JkekN6[TZaZZ:Ff_|[77?JRn^CBighgnJ1K*UPeE_e^|l43(lCf8FhAn*P4)6:_Nil?ckfMN?FPL3)_Wm`fA]D0?)0dnN]H6N)^MEMOAnm;1i|clDeKLJahRcl[4hUCFfR3OUTo|fEV|Be3`DeKkhmJVD_UZRT9hnNDC5Yem?EN6aI2_NNidJd)T1WCWC5Do8P1hSl4AKmh^Oc1jP;9c|T::A:ZZN^bJefa]BJ)nY:*Pj;nhf^1WI|G[6;jEinOGTik=n`Dbh2En|kmKWO[RKkVM0`6Fhj)IW5abUkHME*6eKIWU0hKHo[CoNc;LY6MlXNYJWFDkOEfmNMgU07lJ_:;k]7X9Xn[KKhW(GC)U=a]?M8_QQbY`Jj`8cM0|0bJ4C=4iTgFgaZ3TOn^o2K?51bkJA)go_m8KEo*LMF:Dk.mmf
    f(x) = - x² f(2) = - 2² = 4 f(2) = - (2)² = -4 - x² = - (x)² est négatif. Il faut faire attention à la position des parenthèses
    f(x) = x² f(-1) = - 1² = - 1 f(-1) = (-1)² = 1 N'oubliez pas les parenthèses
    g(x) = (2 - x)² g(x) = 4 - x² g(x) = 4 - 4x + x² N'oubliez pas les identités remarquables (a + b)² et (a - b)²

    .

    img

    Polynôme du Second Degré

    f(x) = 3x et g(x) = x² - 4 f(x) - g(x) = 3x - x² - 4 f(x) - g(x) = 3x - (x² - 4) N'oubliez pas de mettre des parenthèses
    2(x - 1)² - 4 = 0 (x - 1) = 2 MMF.7h]Z3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDh_bB8cCPbi(b[ZJfU9:bfdBSmnm`799PPZYF9J=3l1RlF6a4;EMI)mGjnD|GjbbRmN;kGbMc_;E)UPFaknFaL?^lnB^[9h?nn9alW6gWoa[Ye9NGVccAGjK1^To;lEaMmQO0J[^doD6P`*VW4CQA:3VUeVN1R32RMCh5X1Z|)o0_=(J[NW_MkNcAAILG[aMK3MYWRnb6lYP|lUVbcChl5aFTdei?)kf3nSmO0a4^5c)bogaYOZFUOoEFj0JQ]GbA2e[]N[DZlLoKZZbo;^ejB6K3fM)`T6]SXHgSl=lme*nCe0gFAnNRWe[|N7ll5;]T1_gCdKmHHce26dHh*gWR((iiS127DJh`cQi66H?hoCU:Gfo^A`kmA7jlQamNHjn7:4_AnS;LOYbV;hLYjm6CUn=d5NWm9gn)ehM6H:|I*PQ=5j?fU2IFUHXPoI08hRmTb63m8J835j)FBA;CY472*;[IFaP2)_EG`:BABeB6^1UbE`X3C)e=J0d`1](^o(GUdFSSi6KV2Z?[4?B[doH9RhAd`1PVDRZSYMYNjdlL5FHn|Q02CAba0=C7D0eR2XA=B3Y9BL59leBT5B1Y06:|I)l1=:`9C`56GNiBM_OTmM0l**D|88XM`H=D)d18]3lM4`_^8ZjOEG(R2_;HbL(J9j2YQB|3j0UXjXEMm(Le2WXaY5B^6Z=_Q^Jo[6(R4hH4B=hJo4d3:GQea]n54ICWcC]H=beJ5RIR?N0XBbTUbfCTjkC8|5TePZAk4XJlB94K_|6V2iZ5;58M0RZbB)bSW63TVjGV5n6V3M2c?J?JGmo6F;]:Q]kI?PB8]o|6K=FS6UokFGGQciUBm|[7l_bkFgMQ`eBg(*KdMIMd:2XXfHYPJ]f7UQVBK[D4|5TE_i4|QdCeEDfdJbm4l()9XWhTYQeC68iB=P=0b5j|dE07l[Nh59|lPS=PNT)24A_:8VhQb`_5`SFR02RIn^=AW23ZCDYEm[FF5o;5QZn()8P3WD7Z2QGKLQNEMb0K4lOg8RD3I0L^9_A05hB=b=URoSIP1^C]TF|=D2bb`6:Odji(MT)653|OP0)B]4i^_i|(_BCd[B^_M=a`k8]Y9^F7FY;LS)k`hm(4KZd*hGoJeC_BEI`Z6o5UkNj;W9foQnlEN4ZjoGFokE^lY5EHdCU;HjU`lYKSM?ll?;Fb6DaUUGLFV=WSG]FNgI]L[hJ?bTFd94(I[eN[O90C?4nRFV4Kb01V`aEkW?QjLnC[ane3PIdl|N7bMZP1Y`7WSa[0ceecZ[Zh?gXHO=j]bnZKcF)4FOU*g4|Jf`A[l]7mff|eRBX^BnZGO7Y|I*nFj:*7SmkA(VWGhmEhK5T:mikWA[*j*6M)M4ESlR07R?`AU_gRio(7Z0|W)b*XYHZZYjk9[Dk6e9XkjTY23[?KmMh6=VQN|8_YGWimNSk|gk1E;P)Wjm^EjMnN9[^Id30IKSXnSLG7:G=QfE0IE]TND3Q=[n^?Uk?=RTIgbQjUZMIC]mG[eng)AECG;jB?0odiM_f7_gNg]3cOeEd0IX.mmf (x - 1) = 2 MMF.7h]Z3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDh_bB8cCPbi(b[ZJfU9:bfdBSmnm`799PPZYF9J=3l1RlF6a4;EMI)mGjnD|GjbbRmN;kGbMc_;E)UPFaknFaL?^lnB^[9h?nn9alW6gWoa[Ye9NGVccAGjK1^To;lEaMmQO0J[^doD6P`*VW4CQA:3VUeVN1R32RMCh5X1Z|)o0_=(J[NW_MkNcAAILG[aMK3MYWRnb6lYP|lUVbcChl5aFTdei?)kf3nSmO0a4^5c)bogaYOZFUOoEFj0JQ]GbA2e[]N[DZlLoKZZbo;^ejB6K3fM)`T6]SXHgSl=lme*nCe0gFAnNRWe[|N7ll5;]T1_gCdKmHHce26dHh*gWR((iiS127DJh`cQi66H?hoCU:Gfo^A`kmA7jlQamNHjn7:4_AnS;LOYbV;hLYjm6CUn=d5NWm9gn)ehM6H:|I*PQ=5j?fU2IFUHXPoI08hRmTb63m8J835j)FBA;CY472*;[IFaP2)_EG`:BABeB6^1UbE`X3C)e=J0d`1](^o(GUdFSSi6KV2Z?[4?B[doH9RhAd`1PVDRZSYMYNjdlL5FHn|Q02CAba0=C7D0eR2XA=B3Y9BL59leBT5B1Y06:|I)l1=:`9C`56GNiBM_OTmM0l**D|88XM`H=D)d18]3lM4`_^8ZjOEG(R2_;HbL(J9j2YQB|3j0UXjXEMm(Le2WXaY5B^6Z=_Q^Jo[6(R4hH4B=hJo4d3:GQea]n54ICWcC]H=beJ5RIR?N0XBbTUbfCTjkC8|5TePZAk4XJlB94K_|6V2iZ5;58M0RZbB)bSW63TVjGV5n6V3M2c?J?JGmo6F;]:Q]kI?PB8]o|6K=FS6UokFGGQciUBm|[7l_bkFgMQ`eBg(*KdMIMd:2XXfHYPJ]f7UQVBK[D4|5TE_i4|QdCeEDfdJbm4l()9XWhTYQeC68iB=P=0b5j|dE07l[Nh59|lPS=PNT)24A_:8VhQb`_5`SFR02RIn^=AW23ZCDYEm[FF5o;5QZn()8P3WD7Z2QGKLQNEMb0K4lOg8RD3I0L^9_A05hB=b=URoSIP1^C]TF|=D2bb`6:Odji(MT)653|OP0)B]4i^_i|(_BCd[B^_M=a`k8]Y9^F7FY;LS)k`hm(4KZd*hGoJeC_BEI`Z6o5UkNj;W9foQnlEN4ZjoGFokE^lY5EHdCU;HjU`lYKSM?ll?;Fb6DaUUGLFV=WSG]FNgI]L[hJ?bTFd94(I[eN[O90C?4nRFV4Kb01V`aEkW?QjLnC[ane3PIdl|N7bMZP1Y`7WSa[0ceecZ[Zh?gXHO=j]bnZKcF)4FOU*g4|Jf`A[l]7mff|eRBX^BnZGO7Y|I*nFj:*7SmkA(VWGhmEhK5T:mikWA[*j*6M)M4ESlR07R?`AU_gRio(7Z0|W)b*XYHZZYjk9[Dk6e9XkjTY23[?KmMh6=VQN|8_YGWimNSk|gk1E;P)Wjm^EjMnN9[^Id30IKSXnSLG7:G=QfE0IE]TND3Q=[n^?Uk?=RTIgbQjUZMIC]mG[eng)AECG;jB?0odiM_f7_gNg]3cOeEd0IX.mmf ou - 2 MMF.7h]Z3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDh_bB8cCPbi(b[ZJfU9:bfdBSmnm`799PPZYF9J=3l1RlF6a4;EMI)mGjnD|GjbbRmN;kGbMc_;E)UPFaknFaL?^lnB^[9h?nn9alW6gWoa[Ye9NGVccAGjK1^To;lEaMmQO0J[^doD6P`*VW4CQA:3VUeVN1R32RMCh5X1Z|)o0_=(J[NW_MkNcAAILG[aMK3MYWRnb6lYP|lUVbcChl5aFTdei?)kf3nSmO0a4^5c)bogaYOZFUOoEFj0JQ]GbA2e[]N[DZlLoKZZbo;^ejB6K3fM)`T6]SXHgSl=lme*nCe0gFAnNRWe[|N7ll5;]T1_gCdKmHHce26dHh*gWR((iiS127DJh`cQi66H?hoCU:Gfo^A`kmA7jlQamNHjn7:4_AnS;LOYbV;hLYjm6CUn=d5NWm9gn)ehM6H:|I*PQ=5j?fU2IFUHXPoI08hRmTb63m8J835j)FBA;CY472*;[IFaP2)_EG`:BABeB6^1UbE`X3C)e=J0d`1](^o(GUdFSSi6KV2Z?[4?B[doH9RhAd`1PVDRZSYMYNjdlL5FHn|Q02CAba0=C7D0eR2XA=B3Y9BL59leBT5B1Y06:|I)l1=:`9C`56GNiBM_OTmM0l**D|88XM`H=D)d18]3lM4`_^8ZjOEG(R2_;HbL(J9j2YQB|3j0UXjXEMm(Le2WXaY5B^6Z=_Q^Jo[6(R4hH4B=hJo4d3:GQea]n54ICWcC]H=beJ5RIR?N0XBbTUbfCTjkC8|5TePZAk4XJlB94K_|6V2iZ5;58M0RZbB)bSW63TVjGV5n6V3M2c?J?JGmo6F;]:Q]kI?PB8]o|6K=FS6UokFGGQciUBm|[7l_bkFgMQ`eBg(*KdMIMd:2XXfHYPJ]f7UQVBK[D4|5TE_i4|QdCeEDfdJbm4l()9XWhTYQeC68iB=P=0b5j|dE07l[Nh59|lPS=PNT)24A_:8VhQb`_5`SFR02RIn^=AW23ZCDYEm[FF5o;5QZn()8P3WD7Z2QGKLQNEMb0K4lOg8RD3I0L^9_A05hB=b=URoSIP1^C]TF|=D2bb`6:Odji(MT)653|OP0)B]4i^_i|(_BCd[B^_M=a`k8]Y9^F7FY;LS)k`hm(4KZd*hGoJeC_BEI`Z6o5UkNj;W9foQnlEN4ZjoGFokE^lY5EHdCU;HjU`lYKSM?ll?;Fb6DaUUGLFV=WSG]FNgI]L[hJ?bTFd94(I[eN[O90C?4nRFV4Kb01V`aEkW?QjLnC[ane3PIdl|N7bMZP1Y`7WSa[0ceecZ[Zh?gXHO=j]bnZKcF)4FOU*g4|Jf`A[l]7mff|eRBX^BnZGO7Y|I*nFj:*7SmkA(VWGhmEhK5T:mikWA[*j*6M)M4ESlR07R?`AU_gRio(7Z0|W)b*XYHZZYjk9[Dk6e9XkjTY23[?KmMh6=VQN|8_YGWimNSk|gk1E;P)Wjm^EjMnN9[^Id30IKSXnSLG7:G=QfE0IE]TND3Q=[n^?Uk?=RTIgbQjUZMIC]mG[eng)AECG;jB?0odiM_f7_gNg]3cOeEd0IX.mmf Le passage à la racine carrée fait apparaître 2 cass
    x² + x + 1 (x + 6)x MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf = 0 x² + x + 1 = (x + 6)x x² + x + 1 = 0 On multiplie à droite et à gauche par
    (x + 6)x, et 0*(x + 6)x = 0
    f(x) = - x² + 3x f(2) = - 2² + 6 = 4 + 6 f(2) = - (2)² + 6 = - 4 + 6 - x² = - (x)² est négatif, ce qui est différent de (-x)² = x². Il faut faire attention à la position des parenthèses

    .

    img

    Pourcentages et Evolutions

    Evolution de +10%, puis de +5% Evolution globale t de +15% t = (1,1*1,05 - 1)*100 = +15,5% Les taux d'évolution t% ne s'additionnent pas, il faut passer par les coefficients multiplicateurs
    Une montre à 40€ bénéficie d'une réduction de 10% Prix final = 40* 10 100 MMF.7h^C3`00QEMOLn963?l4n*hlVQV7FNdONmdg*WdYdf0bh(_ePAOgjZI(4kPjY;e[9]nmdWY]bia=*a;dTkAJoKAJHGK;k(=j|i[WbgEfmGJeFfcBNKkN1:_Rm(NZN=aoW]bGeL_aD3a=?^d?Tko]C([YeBiOiWMYT?keFYcfal(eX)XQgF`aB632BAA)16YnW)MY02:LB8eo0U0=mPOjEFQ=OkVoVbncH7[eO[GKYWVnc6hYPndfVjoBh)=;FDffiNVd?cbRml|Y4)5Z]BP?YmOZFeKnDfn1JQQFbc)e[=FZDjnOO[^]b_;?eZJ7K3jL)*|7]CXJgS`)loecnC91gFAcO2h)[LF6Rn=[]DM^g3lImHLaeR)dHH*gG28)UiS327DHh*kSi66H?HcCUnOdoNIbk=A7j(];m)DUnW:4_QbQ;lOYbf7jLYbn6SUm=D9OWM=gnWoaj|P*I2e32:7aN]B6b]Bb*QVd1aY1k9d(6J*gA6C`L|`RFG::?4P*F2mS0d=H[ohBT2aZTM80;d_V*VVHVJd1Y*7NH=ZM_kP|6Wf(g(A(NF*MTWim`SIaRIP60(]4DWFlC=][iH6[`|a71TZPTB(NV)X0ZT5DRJP1BBli:CQYUX:T2R*=D8bMi2F*QRgQ:LRhbdgJoYjl1XXWX80EA;TcJ81Z3a21iZMSN|5Ee)f[HTILFAhkHD3c53BUH7d0;AUE[KRKiZ1)*CN)U(9eJoCMd?B?IDAd`XPH`E^;Yf4X3KoNl:(`V_ZTJ*OS[TG3bTBl1`aU8Ke|VIadWAH99[=FR6AGdXPG8G;K=l1dDJ)8AJ93D4dNTGF(6iAd^lCl(|Bl4F:fOdcknl|*JeOIf2?3Ua3iI|nH]F9(nf|_^ckd:E_JG_UHUVm_jci|T)8VgXRfkX86AAdeB`UL]o?0(T_BYIH89[?b9i;]V:R^|XUVkIdHMS19a9O4[6(Bbd72KQP8dI|]0_Y*mPJGHY=7J0i(Md0PNT=9a3eTNKU0|4H443eKKcB26db]BKWB]|KjF[K*l8DA1g6X)d15^Fi3mZ[R1VAkn^16Y6b0i(3MS0K`T[PI:E_4c`KLV;*]HZd1TUd)D?acbXg9M|20H_L3L52:c]7eIi)QWiBVMNfMSQ^FKB7M])a*Fi;KnCenI8[*YAdZO:mA_BMI`J6n5EoNj[[8fOTkN:_2EMK[[Om_gN*SZlJ8bU|LBhNE]aZWnNkU[I7;HRb[^;G6cQ[g[?KRf^Ab=OjWF417(YSeI[g)0c73nbAV4Oh12MQTZ7:O2lnoWggmZ7D`X9?O?dcF1SGP??3TFA_XZG=NEDO_A`nK=o]3DGf[LH`h:an;DeUSRgQC?[U_HkDV*Le3DNf;Gim:jK(U2^WY|dNDO?[eE1DNBkKRPmNY0IdNd9TcGO643)Pa0VndMKohbN`1b|;93RUZZJ;Z^F]B^k(QQOJNVX:Pln9^PhNA7J]Wo5:JUem?_So[5lb4jo35nVimkXNWjGh615b6RfinM|5AfWiL1EBfIIH756kkdo[CcGbKT_6MXVMiV^GdOOGVKIL7dOB=Q0DnoTgO_AA?Me]l:[9C]0?=4nnB0;XlH:1gNY(:gc7TOh?Le2P.mmf = 4€ Prix final = 40*(1 - 10 100 MMF.7h^C3`00QEMOLn963?l4n*hlVQV7FNdONmdg*WdYdf0bh(_ePAOgjZI(4kPjY;e[9]nmdWY]bia=*a;dTkAJoKAJHGK;k(=j|i[WbgEfmGJeFfcBNKkN1:_Rm(NZN=aoW]bGeL_aD3a=?^d?Tko]C([YeBiOiWMYT?keFYcfal(eX)XQgF`aB632BAA)16YnW)MY02:LB8eo0U0=mPOjEFQ=OkVoVbncH7[eO[GKYWVnc6hYPndfVjoBh)=;FDffiNVd?cbRml|Y4)5Z]BP?YmOZFeKnDfn1JQQFbc)e[=FZDjnOO[^]b_;?eZJ7K3jL)*|7]CXJgS`)loecnC91gFAcO2h)[LF6Rn=[]DM^g3lImHLaeR)dHH*gG28)UiS327DHh*kSi66H?HcCUnOdoNIbk=A7j(];m)DUnW:4_QbQ;lOYbf7jLYbn6SUm=D9OWM=gnWoaj|P*I2e32:7aN]B6b]Bb*QVd1aY1k9d(6J*gA6C`L|`RFG::?4P*F2mS0d=H[ohBT2aZTM80;d_V*VVHVJd1Y*7NH=ZM_kP|6Wf(g(A(NF*MTWim`SIaRIP60(]4DWFlC=][iH6[`|a71TZPTB(NV)X0ZT5DRJP1BBli:CQYUX:T2R*=D8bMi2F*QRgQ:LRhbdgJoYjl1XXWX80EA;TcJ81Z3a21iZMSN|5Ee)f[HTILFAhkHD3c53BUH7d0;AUE[KRKiZ1)*CN)U(9eJoCMd?B?IDAd`XPH`E^;Yf4X3KoNl:(`V_ZTJ*OS[TG3bTBl1`aU8Ke|VIadWAH99[=FR6AGdXPG8G;K=l1dDJ)8AJ93D4dNTGF(6iAd^lCl(|Bl4F:fOdcknl|*JeOIf2?3Ua3iI|nH]F9(nf|_^ckd:E_JG_UHUVm_jci|T)8VgXRfkX86AAdeB`UL]o?0(T_BYIH89[?b9i;]V:R^|XUVkIdHMS19a9O4[6(Bbd72KQP8dI|]0_Y*mPJGHY=7J0i(Md0PNT=9a3eTNKU0|4H443eKKcB26db]BKWB]|KjF[K*l8DA1g6X)d15^Fi3mZ[R1VAkn^16Y6b0i(3MS0K`T[PI:E_4c`KLV;*]HZd1TUd)D?acbXg9M|20H_L3L52:c]7eIi)QWiBVMNfMSQ^FKB7M])a*Fi;KnCenI8[*YAdZO:mA_BMI`J6n5EoNj[[8fOTkN:_2EMK[[Om_gN*SZlJ8bU|LBhNE]aZWnNkU[I7;HRb[^;G6cQ[g[?KRf^Ab=OjWF417(YSeI[g)0c73nbAV4Oh12MQTZ7:O2lnoWggmZ7D`X9?O?dcF1SGP??3TFA_XZG=NEDO_A`nK=o]3DGf[LH`h:an;DeUSRgQC?[U_HkDV*Le3DNf;Gim:jK(U2^WY|dNDO?[eE1DNBkKRPmNY0IdNd9TcGO643)Pa0VndMKohbN`1b|;93RUZZJ;Z^F]B^k(QQOJNVX:Pln9^PhNA7J]Wo5:JUem?_So[5lb4jo35nVimkXNWjGh615b6RfinM|5AfWiL1EBfIIH756kkdo[CcGbKT_6MXVMiV^GdOOGVKIL7dOB=Q0DnoTgO_AA?Me]l:[9C]0?=4nnB0;XlH:1gNY(:gc7TOh?Le2P.mmf ) = 36€ Il faut multiplier le prix initial par le coefficient multiplicateur (1 + t 100 MMF.7h^C3`00QEMOLn963?l4n*hlVQV7FNdONmdg*WdYdf0bh(_ePAOgjZI(4kPjY;e[9]nmdWY]bia=*a;dTkAJoKAJHGK;k(=j|i[WbgEfmGJeFfcBNKkN1:_Rm(NZN=aoW]bGeL_aD3a=?^d?Tko]C([YeBiOiWMYT?keFYcfal(eX)XQgF`aB632BAA)16YnW)MY02:LB8eo0U0=mPOjEFQ=OkVoVbncH7[eO[GKYWVnc6hYPndfVjoBh)=;FDffiNVd?cbRml|Y4)5Z]BP?YmOZFeKnDfn1JQQFbc)e[=FZDjnOO[^]b_;?eZJ7K3jL)*|7]CXJgS`)loecnC91gFAcO2h)[LF6Rn=[]DM^g3lImHLaeR)dHH*gG28)UiS327DHh*kSi66H?HcCUnOdoNIbk=A7j(];m)DUnW:4_QbQ;lOYbf7jLYbn6SUm=D9OWM=gnWoaj|P*I2e32:7aN]B6b]Bb*QVd1aY1k9d(6J*gA6C`L|`RFG::?4P*F2mS0d=H[ohBT2aZTM80;d_V*VVHVJd1Y*7NH=ZM_kP|6Wf(g(A(NF*MTWim`SIaRIP60(]4DWFlC=][iH6[`|a71TZPTB(NV)X0ZT5DRJP1BBli:CQYUX:T2R*=D8bMi2F*QRgQ:LRhbdgJoYjl1XXWX80EA;TcJ81Z3a21iZMSN|5Ee)f[HTILFAhkHD3c53BUH7d0;AUE[KRKiZ1)*CN)U(9eJoCMd?B?IDAd`XPH`E^;Yf4X3KoNl:(`V_ZTJ*OS[TG3bTBl1`aU8Ke|VIadWAH99[=FR6AGdXPG8G;K=l1dDJ)8AJ93D4dNTGF(6iAd^lCl(|Bl4F:fOdcknl|*JeOIf2?3Ua3iI|nH]F9(nf|_^ckd:E_JG_UHUVm_jci|T)8VgXRfkX86AAdeB`UL]o?0(T_BYIH89[?b9i;]V:R^|XUVkIdHMS19a9O4[6(Bbd72KQP8dI|]0_Y*mPJGHY=7J0i(Md0PNT=9a3eTNKU0|4H443eKKcB26db]BKWB]|KjF[K*l8DA1g6X)d15^Fi3mZ[R1VAkn^16Y6b0i(3MS0K`T[PI:E_4c`KLV;*]HZd1TUd)D?acbXg9M|20H_L3L52:c]7eIi)QWiBVMNfMSQ^FKB7M])a*Fi;KnCenI8[*YAdZO:mA_BMI`J6n5EoNj[[8fOTkN:_2EMK[[Om_gN*SZlJ8bU|LBhNE]aZWnNkU[I7;HRb[^;G6cQ[g[?KRf^Ab=OjWF417(YSeI[g)0c73nbAV4Oh12MQTZ7:O2lnoWggmZ7D`X9?O?dcF1SGP??3TFA_XZG=NEDO_A`nK=o]3DGf[LH`h:an;DeUSRgQC?[U_HkDV*Le3DNf;Gim:jK(U2^WY|dNDO?[eE1DNBkKRPmNY0IdNd9TcGO643)Pa0VndMKohbN`1b|;93RUZZJ;Z^F]B^k(QQOJNVX:Pln9^PhNA7J]Wo5:JUem?_So[5lb4jo35nVimkXNWjGh615b6RfinM|5AfWiL1EBfIIH756kkdo[CcGbKT_6MXVMiV^GdOOGVKIL7dOB=Q0DnoTgO_AA?Me]l:[9C]0?=4nnB0;XlH:1gNY(:gc7TOh?Le2P.mmf ) pour obtenir le prix final

    .

    img

    Pourcentages et Evolutions

    Evolution de +10%, puis de +5% Evolution globale t de +15% t = (1,1*1,05 - 1)*100 = +15,5% Les taux d'évolution t% ne s'additionnent pas, il faut passer par les coefficients multiplicateurs
    Une montre à 40€ bénéficie d'une réduction de 10% Prix final = 40* 10 100 MMF.7h^C3`00QEMOLn963?l4n*hlVQV7FNdONmdg*WdYdf0bh(_ePAOgjZI(4kPjY;e[9]nmdWY]bia=*a;dTkAJoKAJHGK;k(=j|i[WbgEfmGJeFfcBNKkN1:_Rm(NZN=aoW]bGeL_aD3a=?^d?Tko]C([YeBiOiWMYT?keFYcfal(eX)XQgF`aB632BAA)16YnW)MY02:LB8eo0U0=mPOjEFQ=OkVoVbncH7[eO[GKYWVnc6hYPndfVjoBh)=;FDffiNVd?cbRml|Y4)5Z]BP?YmOZFeKnDfn1JQQFbc)e[=FZDjnOO[^]b_;?eZJ7K3jL)*|7]CXJgS`)loecnC91gFAcO2h)[LF6Rn=[]DM^g3lImHLaeR)dHH*gG28)UiS327DHh*kSi66H?HcCUnOdoNIbk=A7j(];m)DUnW:4_QbQ;lOYbf7jLYbn6SUm=D9OWM=gnWoaj|P*I2e32:7aN]B6b]Bb*QVd1aY1k9d(6J*gA6C`L|`RFG::?4P*F2mS0d=H[ohBT2aZTM80;d_V*VVHVJd1Y*7NH=ZM_kP|6Wf(g(A(NF*MTWim`SIaRIP60(]4DWFlC=][iH6[`|a71TZPTB(NV)X0ZT5DRJP1BBli:CQYUX:T2R*=D8bMi2F*QRgQ:LRhbdgJoYjl1XXWX80EA;TcJ81Z3a21iZMSN|5Ee)f[HTILFAhkHD3c53BUH7d0;AUE[KRKiZ1)*CN)U(9eJoCMd?B?IDAd`XPH`E^;Yf4X3KoNl:(`V_ZTJ*OS[TG3bTBl1`aU8Ke|VIadWAH99[=FR6AGdXPG8G;K=l1dDJ)8AJ93D4dNTGF(6iAd^lCl(|Bl4F:fOdcknl|*JeOIf2?3Ua3iI|nH]F9(nf|_^ckd:E_JG_UHUVm_jci|T)8VgXRfkX86AAdeB`UL]o?0(T_BYIH89[?b9i;]V:R^|XUVkIdHMS19a9O4[6(Bbd72KQP8dI|]0_Y*mPJGHY=7J0i(Md0PNT=9a3eTNKU0|4H443eKKcB26db]BKWB]|KjF[K*l8DA1g6X)d15^Fi3mZ[R1VAkn^16Y6b0i(3MS0K`T[PI:E_4c`KLV;*]HZd1TUd)D?acbXg9M|20H_L3L52:c]7eIi)QWiBVMNfMSQ^FKB7M])a*Fi;KnCenI8[*YAdZO:mA_BMI`J6n5EoNj[[8fOTkN:_2EMK[[Om_gN*SZlJ8bU|LBhNE]aZWnNkU[I7;HRb[^;G6cQ[g[?KRf^Ab=OjWF417(YSeI[g)0c73nbAV4Oh12MQTZ7:O2lnoWggmZ7D`X9?O?dcF1SGP??3TFA_XZG=NEDO_A`nK=o]3DGf[LH`h:an;DeUSRgQC?[U_HkDV*Le3DNf;Gim:jK(U2^WY|dNDO?[eE1DNBkKRPmNY0IdNd9TcGO643)Pa0VndMKohbN`1b|;93RUZZJ;Z^F]B^k(QQOJNVX:Pln9^PhNA7J]Wo5:JUem?_So[5lb4jo35nVimkXNWjGh615b6RfinM|5AfWiL1EBfIIH756kkdo[CcGbKT_6MXVMiV^GdOOGVKIL7dOB=Q0DnoTgO_AA?Me]l:[9C]0?=4nnB0;XlH:1gNY(:gc7TOh?Le2P.mmf = 4€ Prix final = 40*(1 - 10 100 MMF.7h^C3`00QEMOLn963?l4n*hlVQV7FNdONmdg*WdYdf0bh(_ePAOgjZI(4kPjY;e[9]nmdWY]bia=*a;dTkAJoKAJHGK;k(=j|i[WbgEfmGJeFfcBNKkN1:_Rm(NZN=aoW]bGeL_aD3a=?^d?Tko]C([YeBiOiWMYT?keFYcfal(eX)XQgF`aB632BAA)16YnW)MY02:LB8eo0U0=mPOjEFQ=OkVoVbncH7[eO[GKYWVnc6hYPndfVjoBh)=;FDffiNVd?cbRml|Y4)5Z]BP?YmOZFeKnDfn1JQQFbc)e[=FZDjnOO[^]b_;?eZJ7K3jL)*|7]CXJgS`)loecnC91gFAcO2h)[LF6Rn=[]DM^g3lImHLaeR)dHH*gG28)UiS327DHh*kSi66H?HcCUnOdoNIbk=A7j(];m)DUnW:4_QbQ;lOYbf7jLYbn6SUm=D9OWM=gnWoaj|P*I2e32:7aN]B6b]Bb*QVd1aY1k9d(6J*gA6C`L|`RFG::?4P*F2mS0d=H[ohBT2aZTM80;d_V*VVHVJd1Y*7NH=ZM_kP|6Wf(g(A(NF*MTWim`SIaRIP60(]4DWFlC=][iH6[`|a71TZPTB(NV)X0ZT5DRJP1BBli:CQYUX:T2R*=D8bMi2F*QRgQ:LRhbdgJoYjl1XXWX80EA;TcJ81Z3a21iZMSN|5Ee)f[HTILFAhkHD3c53BUH7d0;AUE[KRKiZ1)*CN)U(9eJoCMd?B?IDAd`XPH`E^;Yf4X3KoNl:(`V_ZTJ*OS[TG3bTBl1`aU8Ke|VIadWAH99[=FR6AGdXPG8G;K=l1dDJ)8AJ93D4dNTGF(6iAd^lCl(|Bl4F:fOdcknl|*JeOIf2?3Ua3iI|nH]F9(nf|_^ckd:E_JG_UHUVm_jci|T)8VgXRfkX86AAdeB`UL]o?0(T_BYIH89[?b9i;]V:R^|XUVkIdHMS19a9O4[6(Bbd72KQP8dI|]0_Y*mPJGHY=7J0i(Md0PNT=9a3eTNKU0|4H443eKKcB26db]BKWB]|KjF[K*l8DA1g6X)d15^Fi3mZ[R1VAkn^16Y6b0i(3MS0K`T[PI:E_4c`KLV;*]HZd1TUd)D?acbXg9M|20H_L3L52:c]7eIi)QWiBVMNfMSQ^FKB7M])a*Fi;KnCenI8[*YAdZO:mA_BMI`J6n5EoNj[[8fOTkN:_2EMK[[Om_gN*SZlJ8bU|LBhNE]aZWnNkU[I7;HRb[^;G6cQ[g[?KRf^Ab=OjWF417(YSeI[g)0c73nbAV4Oh12MQTZ7:O2lnoWggmZ7D`X9?O?dcF1SGP??3TFA_XZG=NEDO_A`nK=o]3DGf[LH`h:an;DeUSRgQC?[U_HkDV*Le3DNf;Gim:jK(U2^WY|dNDO?[eE1DNBkKRPmNY0IdNd9TcGO643)Pa0VndMKohbN`1b|;93RUZZJ;Z^F]B^k(QQOJNVX:Pln9^PhNA7J]Wo5:JUem?_So[5lb4jo35nVimkXNWjGh615b6RfinM|5AfWiL1EBfIIH756kkdo[CcGbKT_6MXVMiV^GdOOGVKIL7dOB=Q0DnoTgO_AA?Me]l:[9C]0?=4nnB0;XlH:1gNY(:gc7TOh?Le2P.mmf ) = 36€ Il faut multiplier le prix initial par le coefficient multiplicateur (1 + t 100 MMF.7h^C3`00QEMOLn963?l4n*hlVQV7FNdONmdg*WdYdf0bh(_ePAOgjZI(4kPjY;e[9]nmdWY]bia=*a;dTkAJoKAJHGK;k(=j|i[WbgEfmGJeFfcBNKkN1:_Rm(NZN=aoW]bGeL_aD3a=?^d?Tko]C([YeBiOiWMYT?keFYcfal(eX)XQgF`aB632BAA)16YnW)MY02:LB8eo0U0=mPOjEFQ=OkVoVbncH7[eO[GKYWVnc6hYPndfVjoBh)=;FDffiNVd?cbRml|Y4)5Z]BP?YmOZFeKnDfn1JQQFbc)e[=FZDjnOO[^]b_;?eZJ7K3jL)*|7]CXJgS`)loecnC91gFAcO2h)[LF6Rn=[]DM^g3lImHLaeR)dHH*gG28)UiS327DHh*kSi66H?HcCUnOdoNIbk=A7j(];m)DUnW:4_QbQ;lOYbf7jLYbn6SUm=D9OWM=gnWoaj|P*I2e32:7aN]B6b]Bb*QVd1aY1k9d(6J*gA6C`L|`RFG::?4P*F2mS0d=H[ohBT2aZTM80;d_V*VVHVJd1Y*7NH=ZM_kP|6Wf(g(A(NF*MTWim`SIaRIP60(]4DWFlC=][iH6[`|a71TZPTB(NV)X0ZT5DRJP1BBli:CQYUX:T2R*=D8bMi2F*QRgQ:LRhbdgJoYjl1XXWX80EA;TcJ81Z3a21iZMSN|5Ee)f[HTILFAhkHD3c53BUH7d0;AUE[KRKiZ1)*CN)U(9eJoCMd?B?IDAd`XPH`E^;Yf4X3KoNl:(`V_ZTJ*OS[TG3bTBl1`aU8Ke|VIadWAH99[=FR6AGdXPG8G;K=l1dDJ)8AJ93D4dNTGF(6iAd^lCl(|Bl4F:fOdcknl|*JeOIf2?3Ua3iI|nH]F9(nf|_^ckd:E_JG_UHUVm_jci|T)8VgXRfkX86AAdeB`UL]o?0(T_BYIH89[?b9i;]V:R^|XUVkIdHMS19a9O4[6(Bbd72KQP8dI|]0_Y*mPJGHY=7J0i(Md0PNT=9a3eTNKU0|4H443eKKcB26db]BKWB]|KjF[K*l8DA1g6X)d15^Fi3mZ[R1VAkn^16Y6b0i(3MS0K`T[PI:E_4c`KLV;*]HZd1TUd)D?acbXg9M|20H_L3L52:c]7eIi)QWiBVMNfMSQ^FKB7M])a*Fi;KnCenI8[*YAdZO:mA_BMI`J6n5EoNj[[8fOTkN:_2EMK[[Om_gN*SZlJ8bU|LBhNE]aZWnNkU[I7;HRb[^;G6cQ[g[?KRf^Ab=OjWF417(YSeI[g)0c73nbAV4Oh12MQTZ7:O2lnoWggmZ7D`X9?O?dcF1SGP??3TFA_XZG=NEDO_A`nK=o]3DGf[LH`h:an;DeUSRgQC?[U_HkDV*Le3DNf;Gim:jK(U2^WY|dNDO?[eE1DNBkKRPmNY0IdNd9TcGO643)Pa0VndMKohbN`1b|;93RUZZJ;Z^F]B^k(QQOJNVX:Pln9^PhNA7J]Wo5:JUem?_So[5lb4jo35nVimkXNWjGh615b6RfinM|5AfWiL1EBfIIH756kkdo[CcGbKT_6MXVMiV^GdOOGVKIL7dOB=Q0DnoTgO_AA?Me]l:[9C]0?=4nnB0;XlH:1gNY(:gc7TOh?Le2P.mmf ) pour obtenir le prix final

    .

    img

    Fonction Carrée et Racine Carrée

    x² = -4 x = -4 MMF.7h]Z3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDh_bB8cCPbi(b[ZJfU9:bfdBSmnm`799PPZYF9J=3l1RlF6a4;EMI)mGjnD|GjbbRmN;kGbMc_;E)UPFaknFaL?^lnB^[9h?nn9alW6gWoa[Ye9NGVccAGjK1^To;lEaMmQO0J[^doD6P`*VW4CQA:3VUeVN1R32RMCh5X1Z|)o0_=(J[NW_MkNcAAILG[aMK3MYWRnb6lYP|lUVbcChl5aFTdei?)kf3nSmO0a4^5c)bogaYOZFUOoEFj0JQ]GbA2e[]N[DZlLoKZZbo;^ejB6K3fM)`T6]SXHgSl=lme*nCe0gFAnNRWe[|N7ll5;]T1_gCdKmHHce26dHh*gWR((iiS127DJh`cQi66H?hoCU:Gfo^A`kmA7jlQamNHjn7:4_AnS;LOYbV;hLYjm6CUn=d5NWm9gn)ehM6H:|I*PQ=5j?fU2IFUHXPoI08hRmTb63m8J835j)FBA;CY472*;[IFaP2)_EG`:BABeB6^1UbE`X3C)e=J0d`1](^o(GUdFSSi6KV2Z?[4?B[doH9RhAd`1PVDRZSYMYNjdlL5FHn|Q02CAba0=C7D0eR2XA=B3Y9BL59leBT5B1Y06:|I)l1=:`9C`56GNiBM_OTmM0l**D|88XM`H=D)d18]3lM4`_^8ZjOEG(R2_;HbL(J9j2YQB|3j0UXjXEMm(Le2WXaY5B^6Z=_Q^Jo[6(R4hH4B=hJo4d3:GQea]n54ICWcC]H=beJ5RIR?N0XBbTUbfCTjkC8|5TePZAk4XJlB94K_|6V2iZ5;58M0RZbB)bSW63TVjGV5n6V3M2c?J?JGmo6F;]:Q]kI?PB8]o|6K=FS6UokFGGQciUBm|[7l_bkFgMQ`eBg(*KdMIMd:2XXfHYPJ]f7UQVBK[D4|5TE_i4|QdCeEDfdJbm4l()9XWhTYQeC68iB=P=0b5j|dE07l[Nh59|lPS=PNT)24A_:8VhQb`_5`SFR02RIn^=AW23ZCDYEm[FF5o;5QZn()8P3WD7Z2QGKLQNEMb0K4lOg8RD3I0L^9_A05hB=b=URoSIP1^C]TF|=D2bb`6:Odji(MT)653|OP0)B]4i^_i|(_BCd[B^_M=a`k8]Y9^F7FY;LS)k`hm(4KZd*hGoJeC_BEI`Z6o5UkNj;W9foQnlEN4ZjoGFokE^lY5EHdCU;HjU`lYKSM?ll?;Fb6DaUUGLFV=WSG]FNgI]L[hJ?bTFd94(I[eN[O90C?4nRFV4Kb01V`aEkW?QjLnC[ane3PIdl|N7bMZP1Y`7WSa[0ceecZ[Zh?gXHO=j]bnZKcF)4FOU*g4|Jf`A[l]7mff|eRBX^BnZGO7Y|I*nFj:*7SmkA(VWGhmEhK5T:mikWA[*j*6M)M4ESlR07R?`AU_gRio(7Z0|W)b*XYHZZYjk9[Dk6e9XkjTY23[?KmMh6=VQN|8_YGWimNSk|gk1E;P)Wjm^EjMnN9[^Id30IKSXnSLG7:G=QfE0IE]TND3Q=[n^?Uk?=RTIgbQjUZMIC]mG[eng)AECG;jB?0odiM_f7_gNg]3cOeEd0IX.mmf pas de solution car -4 < 0 Un terme au carrée est toujours positif
    x² = 9 x = 9 MMF.7h]Z3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDh_bB8cCPbi(b[ZJfU9:bfdBSmnm`799PPZYF9J=3l1RlF6a4;EMI)mGjnD|GjbbRmN;kGbMc_;E)UPFaknFaL?^lnB^[9h?nn9alW6gWoa[Ye9NGVccAGjK1^To;lEaMmQO0J[^doD6P`*VW4CQA:3VUeVN1R32RMCh5X1Z|)o0_=(J[NW_MkNcAAILG[aMK3MYWRnb6lYP|lUVbcChl5aFTdei?)kf3nSmO0a4^5c)bogaYOZFUOoEFj0JQ]GbA2e[]N[DZlLoKZZbo;^ejB6K3fM)`T6]SXHgSl=lme*nCe0gFAnNRWe[|N7ll5;]T1_gCdKmHHce26dHh*gWR((iiS127DJh`cQi66H?hoCU:Gfo^A`kmA7jlQamNHjn7:4_AnS;LOYbV;hLYjm6CUn=d5NWm9gn)ehM6H:|I*PQ=5j?fU2IFUHXPoI08hRmTb63m8J835j)FBA;CY472*;[IFaP2)_EG`:BABeB6^1UbE`X3C)e=J0d`1](^o(GUdFSSi6KV2Z?[4?B[doH9RhAd`1PVDRZSYMYNjdlL5FHn|Q02CAba0=C7D0eR2XA=B3Y9BL59leBT5B1Y06:|I)l1=:`9C`56GNiBM_OTmM0l**D|88XM`H=D)d18]3lM4`_^8ZjOEG(R2_;HbL(J9j2YQB|3j0UXjXEMm(Le2WXaY5B^6Z=_Q^Jo[6(R4hH4B=hJo4d3:GQea]n54ICWcC]H=beJ5RIR?N0XBbTUbfCTjkC8|5TePZAk4XJlB94K_|6V2iZ5;58M0RZbB)bSW63TVjGV5n6V3M2c?J?JGmo6F;]:Q]kI?PB8]o|6K=FS6UokFGGQciUBm|[7l_bkFgMQ`eBg(*KdMIMd:2XXfHYPJ]f7UQVBK[D4|5TE_i4|QdCeEDfdJbm4l()9XWhTYQeC68iB=P=0b5j|dE07l[Nh59|lPS=PNT)24A_:8VhQb`_5`SFR02RIn^=AW23ZCDYEm[FF5o;5QZn()8P3WD7Z2QGKLQNEMb0K4lOg8RD3I0L^9_A05hB=b=URoSIP1^C]TF|=D2bb`6:Odji(MT)653|OP0)B]4i^_i|(_BCd[B^_M=a`k8]Y9^F7FY;LS)k`hm(4KZd*hGoJeC_BEI`Z6o5UkNj;W9foQnlEN4ZjoGFokE^lY5EHdCU;HjU`lYKSM?ll?;Fb6DaUUGLFV=WSG]FNgI]L[hJ?bTFd94(I[eN[O90C?4nRFV4Kb01V`aEkW?QjLnC[ane3PIdl|N7bMZP1Y`7WSa[0ceecZ[Zh?gXHO=j]bnZKcF)4FOU*g4|Jf`A[l]7mff|eRBX^BnZGO7Y|I*nFj:*7SmkA(VWGhmEhK5T:mikWA[*j*6M)M4ESlR07R?`AU_gRio(7Z0|W)b*XYHZZYjk9[Dk6e9XkjTY23[?KmMh6=VQN|8_YGWimNSk|gk1E;P)Wjm^EjMnN9[^Id30IKSXnSLG7:G=QfE0IE]TND3Q=[n^?Uk?=RTIgbQjUZMIC]mG[eng)AECG;jB?0odiM_f7_gNg]3cOeEd0IX.mmf x = 9 MMF.7h]Z3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDh_bB8cCPbi(b[ZJfU9:bfdBSmnm`799PPZYF9J=3l1RlF6a4;EMI)mGjnD|GjbbRmN;kGbMc_;E)UPFaknFaL?^lnB^[9h?nn9alW6gWoa[Ye9NGVccAGjK1^To;lEaMmQO0J[^doD6P`*VW4CQA:3VUeVN1R32RMCh5X1Z|)o0_=(J[NW_MkNcAAILG[aMK3MYWRnb6lYP|lUVbcChl5aFTdei?)kf3nSmO0a4^5c)bogaYOZFUOoEFj0JQ]GbA2e[]N[DZlLoKZZbo;^ejB6K3fM)`T6]SXHgSl=lme*nCe0gFAnNRWe[|N7ll5;]T1_gCdKmHHce26dHh*gWR((iiS127DJh`cQi66H?hoCU:Gfo^A`kmA7jlQamNHjn7:4_AnS;LOYbV;hLYjm6CUn=d5NWm9gn)ehM6H:|I*PQ=5j?fU2IFUHXPoI08hRmTb63m8J835j)FBA;CY472*;[IFaP2)_EG`:BABeB6^1UbE`X3C)e=J0d`1](^o(GUdFSSi6KV2Z?[4?B[doH9RhAd`1PVDRZSYMYNjdlL5FHn|Q02CAba0=C7D0eR2XA=B3Y9BL59leBT5B1Y06:|I)l1=:`9C`56GNiBM_OTmM0l**D|88XM`H=D)d18]3lM4`_^8ZjOEG(R2_;HbL(J9j2YQB|3j0UXjXEMm(Le2WXaY5B^6Z=_Q^Jo[6(R4hH4B=hJo4d3:GQea]n54ICWcC]H=beJ5RIR?N0XBbTUbfCTjkC8|5TePZAk4XJlB94K_|6V2iZ5;58M0RZbB)bSW63TVjGV5n6V3M2c?J?JGmo6F;]:Q]kI?PB8]o|6K=FS6UokFGGQciUBm|[7l_bkFgMQ`eBg(*KdMIMd:2XXfHYPJ]f7UQVBK[D4|5TE_i4|QdCeEDfdJbm4l()9XWhTYQeC68iB=P=0b5j|dE07l[Nh59|lPS=PNT)24A_:8VhQb`_5`SFR02RIn^=AW23ZCDYEm[FF5o;5QZn()8P3WD7Z2QGKLQNEMb0K4lOg8RD3I0L^9_A05hB=b=URoSIP1^C]TF|=D2bb`6:Odji(MT)653|OP0)B]4i^_i|(_BCd[B^_M=a`k8]Y9^F7FY;LS)k`hm(4KZd*hGoJeC_BEI`Z6o5UkNj;W9foQnlEN4ZjoGFokE^lY5EHdCU;HjU`lYKSM?ll?;Fb6DaUUGLFV=WSG]FNgI]L[hJ?bTFd94(I[eN[O90C?4nRFV4Kb01V`aEkW?QjLnC[ane3PIdl|N7bMZP1Y`7WSa[0ceecZ[Zh?gXHO=j]bnZKcF)4FOU*g4|Jf`A[l]7mff|eRBX^BnZGO7Y|I*nFj:*7SmkA(VWGhmEhK5T:mikWA[*j*6M)M4ESlR07R?`AU_gRio(7Z0|W)b*XYHZZYjk9[Dk6e9XkjTY23[?KmMh6=VQN|8_YGWimNSk|gk1E;P)Wjm^EjMnN9[^Id30IKSXnSLG7:G=QfE0IE]TND3Q=[n^?Uk?=RTIgbQjUZMIC]mG[eng)AECG;jB?0odiM_f7_gNg]3cOeEd0IX.mmf ou x = - 9 MMF.7h]Z3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDh_bB8cCPbi(b[ZJfU9:bfdBSmnm`799PPZYF9J=3l1RlF6a4;EMI)mGjnD|GjbbRmN;kGbMc_;E)UPFaknFaL?^lnB^[9h?nn9alW6gWoa[Ye9NGVccAGjK1^To;lEaMmQO0J[^doD6P`*VW4CQA:3VUeVN1R32RMCh5X1Z|)o0_=(J[NW_MkNcAAILG[aMK3MYWRnb6lYP|lUVbcChl5aFTdei?)kf3nSmO0a4^5c)bogaYOZFUOoEFj0JQ]GbA2e[]N[DZlLoKZZbo;^ejB6K3fM)`T6]SXHgSl=lme*nCe0gFAnNRWe[|N7ll5;]T1_gCdKmHHce26dHh*gWR((iiS127DJh`cQi66H?hoCU:Gfo^A`kmA7jlQamNHjn7:4_AnS;LOYbV;hLYjm6CUn=d5NWm9gn)ehM6H:|I*PQ=5j?fU2IFUHXPoI08hRmTb63m8J835j)FBA;CY472*;[IFaP2)_EG`:BABeB6^1UbE`X3C)e=J0d`1](^o(GUdFSSi6KV2Z?[4?B[doH9RhAd`1PVDRZSYMYNjdlL5FHn|Q02CAba0=C7D0eR2XA=B3Y9BL59leBT5B1Y06:|I)l1=:`9C`56GNiBM_OTmM0l**D|88XM`H=D)d18]3lM4`_^8ZjOEG(R2_;HbL(J9j2YQB|3j0UXjXEMm(Le2WXaY5B^6Z=_Q^Jo[6(R4hH4B=hJo4d3:GQea]n54ICWcC]H=beJ5RIR?N0XBbTUbfCTjkC8|5TePZAk4XJlB94K_|6V2iZ5;58M0RZbB)bSW63TVjGV5n6V3M2c?J?JGmo6F;]:Q]kI?PB8]o|6K=FS6UokFGGQciUBm|[7l_bkFgMQ`eBg(*KdMIMd:2XXfHYPJ]f7UQVBK[D4|5TE_i4|QdCeEDfdJbm4l()9XWhTYQeC68iB=P=0b5j|dE07l[Nh59|lPS=PNT)24A_:8VhQb`_5`SFR02RIn^=AW23ZCDYEm[FF5o;5QZn()8P3WD7Z2QGKLQNEMb0K4lOg8RD3I0L^9_A05hB=b=URoSIP1^C]TF|=D2bb`6:Odji(MT)653|OP0)B]4i^_i|(_BCd[B^_M=a`k8]Y9^F7FY;LS)k`hm(4KZd*hGoJeC_BEI`Z6o5UkNj;W9foQnlEN4ZjoGFokE^lY5EHdCU;HjU`lYKSM?ll?;Fb6DaUUGLFV=WSG]FNgI]L[hJ?bTFd94(I[eN[O90C?4nRFV4Kb01V`aEkW?QjLnC[ane3PIdl|N7bMZP1Y`7WSa[0ceecZ[Zh?gXHO=j]bnZKcF)4FOU*g4|Jf`A[l]7mff|eRBX^BnZGO7Y|I*nFj:*7SmkA(VWGhmEhK5T:mikWA[*j*6M)M4ESlR07R?`AU_gRio(7Z0|W)b*XYHZZYjk9[Dk6e9XkjTY23[?KmMh6=VQN|8_YGWimNSk|gk1E;P)Wjm^EjMnN9[^Id30IKSXnSLG7:G=QfE0IE]TND3Q=[n^?Uk?=RTIgbQjUZMIC]mG[eng)AECG;jB?0odiM_f7_gNg]3cOeEd0IX.mmf Le passage à la racine carrée fait apparaître 2 cas
    x MMF.7h]Z3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDh_bB8cCPbi(b[ZJfU9:bfdBSmnm`799PPZYF9J=3l1RlF6a4;EMI)mGjnD|GjbbRmN;kGbMc_;E)UPFaknFaL?^lnB^[9h?nn9alW6gWoa[Ye9NGVccAGjK1^To;lEaMmQO0J[^doD6P`*VW4CQA:3VUeVN1R32RMCh5X1Z|)o0_=(J[NW_MkNcAAILG[aMK3MYWRnb6lYP|lUVbcChl5aFTdei?)kf3nSmO0a4^5c)bogaYOZFUOoEFj0JQ]GbA2e[]N[DZlLoKZZbo;^ejB6K3fM)`T6]SXHgSl=lme*nCe0gFAnNRWe[|N7ll5;]T1_gCdKmHHce26dHh*gWR((iiS127DJh`cQi66H?hoCU:Gfo^A`kmA7jlQamNHjn7:4_AnS;LOYbV;hLYjm6CUn=d5NWm9gn)ehM6H:|I*PQ=5j?fU2IFUHXPoI08hRmTb63m8J835j)FBA;CY472*;[IFaP2)_EG`:BABeB6^1UbE`X3C)e=J0d`1](^o(GUdFSSi6KV2Z?[4?B[doH9RhAd`1PVDRZSYMYNjdlL5FHn|Q02CAba0=C7D0eR2XA=B3Y9BL59leBT5B1Y06:|I)l1=:`9C`56GNiBM_OTmM0l**D|88XM`H=D)d18]3lM4`_^8ZjOEG(R2_;HbL(J9j2YQB|3j0UXjXEMm(Le2WXaY5B^6Z=_Q^Jo[6(R4hH4B=hJo4d3:GQea]n54ICWcC]H=beJ5RIR?N0XBbTUbfCTjkC8|5TePZAk4XJlB94K_|6V2iZ5;58M0RZbB)bSW63TVjGV5n6V3M2c?J?JGmo6F;]:Q]kI?PB8]o|6K=FS6UokFGGQciUBm|[7l_bkFgMQ`eBg(*KdMIMd:2XXfHYPJ]f7UQVBK[D4|5TE_i4|QdCeEDfdJbm4l()9XWhTYQeC68iB=P=0b5j|dE07l[Nh59|lPS=PNT)24A_:8VhQb`_5`SFR02RIn^=AW23ZCDYEm[FF5o;5QZn()8P3WD7Z2QGKLQNEMb0K4lOg8RD3I0L^9_A05hB=b=URoSIP1^C]TF|=D2bb`6:Odji(MT)653|OP0)B]4i^_i|(_BCd[B^_M=a`k8]Y9^F7FY;LS)k`hm(4KZd*hGoJeC_BEI`Z6o5UkNj;W9foQnlEN4ZjoGFokE^lY5EHdCU;HjU`lYKSM?ll?;Fb6DaUUGLFV=WSG]FNgI]L[hJ?bTFd94(I[eN[O90C?4nRFV4Kb01V`aEkW?QjLnC[ane3PIdl|N7bMZP1Y`7WSa[0ceecZ[Zh?gXHO=j]bnZKcF)4FOU*g4|Jf`A[l]7mff|eRBX^BnZGO7Y|I*nFj:*7SmkA(VWGhmEhK5T:mikWA[*j*6M)M4ESlR07R?`AU_gRio(7Z0|W)b*XYHZZYjk9[Dk6e9XkjTY23[?KmMh6=VQN|8_YGWimNSk|gk1E;P)Wjm^EjMnN9[^Id30IKSXnSLG7:G=QfE0IE]TND3Q=[n^?Uk?=RTIgbQjUZMIC]mG[eng)AECG;jB?0odiM_f7_gNg]3cOeEd0IX.mmf > - 9 x > 9² x ≥ 0 x MMF.7h]Z3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDh_bB8cCPbi(b[ZJfU9:bfdBSmnm`799PPZYF9J=3l1RlF6a4;EMI)mGjnD|GjbbRmN;kGbMc_;E)UPFaknFaL?^lnB^[9h?nn9alW6gWoa[Ye9NGVccAGjK1^To;lEaMmQO0J[^doD6P`*VW4CQA:3VUeVN1R32RMCh5X1Z|)o0_=(J[NW_MkNcAAILG[aMK3MYWRnb6lYP|lUVbcChl5aFTdei?)kf3nSmO0a4^5c)bogaYOZFUOoEFj0JQ]GbA2e[]N[DZlLoKZZbo;^ejB6K3fM)`T6]SXHgSl=lme*nCe0gFAnNRWe[|N7ll5;]T1_gCdKmHHce26dHh*gWR((iiS127DJh`cQi66H?hoCU:Gfo^A`kmA7jlQamNHjn7:4_AnS;LOYbV;hLYjm6CUn=d5NWm9gn)ehM6H:|I*PQ=5j?fU2IFUHXPoI08hRmTb63m8J835j)FBA;CY472*;[IFaP2)_EG`:BABeB6^1UbE`X3C)e=J0d`1](^o(GUdFSSi6KV2Z?[4?B[doH9RhAd`1PVDRZSYMYNjdlL5FHn|Q02CAba0=C7D0eR2XA=B3Y9BL59leBT5B1Y06:|I)l1=:`9C`56GNiBM_OTmM0l**D|88XM`H=D)d18]3lM4`_^8ZjOEG(R2_;HbL(J9j2YQB|3j0UXjXEMm(Le2WXaY5B^6Z=_Q^Jo[6(R4hH4B=hJo4d3:GQea]n54ICWcC]H=beJ5RIR?N0XBbTUbfCTjkC8|5TePZAk4XJlB94K_|6V2iZ5;58M0RZbB)bSW63TVjGV5n6V3M2c?J?JGmo6F;]:Q]kI?PB8]o|6K=FS6UokFGGQciUBm|[7l_bkFgMQ`eBg(*KdMIMd:2XXfHYPJ]f7UQVBK[D4|5TE_i4|QdCeEDfdJbm4l()9XWhTYQeC68iB=P=0b5j|dE07l[Nh59|lPS=PNT)24A_:8VhQb`_5`SFR02RIn^=AW23ZCDYEm[FF5o;5QZn()8P3WD7Z2QGKLQNEMb0K4lOg8RD3I0L^9_A05hB=b=URoSIP1^C]TF|=D2bb`6:Odji(MT)653|OP0)B]4i^_i|(_BCd[B^_M=a`k8]Y9^F7FY;LS)k`hm(4KZd*hGoJeC_BEI`Z6o5UkNj;W9foQnlEN4ZjoGFokE^lY5EHdCU;HjU`lYKSM?ll?;Fb6DaUUGLFV=WSG]FNgI]L[hJ?bTFd94(I[eN[O90C?4nRFV4Kb01V`aEkW?QjLnC[ane3PIdl|N7bMZP1Y`7WSa[0ceecZ[Zh?gXHO=j]bnZKcF)4FOU*g4|Jf`A[l]7mff|eRBX^BnZGO7Y|I*nFj:*7SmkA(VWGhmEhK5T:mikWA[*j*6M)M4ESlR07R?`AU_gRio(7Z0|W)b*XYHZZYjk9[Dk6e9XkjTY23[?KmMh6=VQN|8_YGWimNSk|gk1E;P)Wjm^EjMnN9[^Id30IKSXnSLG7:G=QfE0IE]TND3Q=[n^?Uk?=RTIgbQjUZMIC]mG[eng)AECG;jB?0odiM_f7_gNg]3cOeEd0IX.mmf est positive donc est toujours > à -9 à condition de respecter son ensemble de définition x ∈ 0 ; + MMF.7h_N3`00QEMOLn963?l4n*hlVQV7FNdONgem8]BG(PdV0kiL7gQa[fk:=86[`kEgcNBkEeZ_KIVcJDR2OY9FdTn[GLa^VKeOKeKcO;W)[Uj_MX]=)|oGVf1EW?iH5HokCi?k|WXi7XZWbLOmHO:gWDTi_M[Ubo`^3M:o_QBWoO5`3JQjB3MK31:HL1:54h6J7nMi6P244jW`C`2Z8GjWTWMBXcGmiOi^_|b2jMGKeFjKi_Tb^jD:]]]|_TZ33bmU=MVFYm?nl8SN;jM0Q:_EXSbL_UCO|_:O)PFZHEP]cmBbEZ])_GkjkKHZbcmKVajbnG3V;1cDjVPhNAcVnnObIH:jbNKhG1aJR`dGaboE7[UaofCD7lIHSm264Mi`RCQLHPhSe664)hbCQf7f(4iOW]?gbNGH[Xo*UiOXbd_di*Qm)D9OS])G`oCU)7de|_]ZQ;hjYnodon;ATB78FXH**^?eZ0fEZFF5(VP?=8;H)aTbB6n8b)3UV4Fbi1AiT22`G|H1Q[1NoCTPFM*RU*5NU|b5bS0cF`(Z0kc1]9To^bXJOHcLa4aiI1fBOWg2T[Q2C0)0EB:Y)ejVm5Yih;X`li612VSTR0NV?X1Z47DRJT3B:dh:CYZE8:T3B*(DHbMi2jAQBgP9(^iZTkJOToM0l*8D|8HX]`L=D)d68]1lMd`_^8Zj_2YVa9GU|A(6=2m1D`WF1m2BDMF:^fT)jQ9dhdPUG;M6?`g=o5Q6A2N(R15l]7PIQ|[`j`gO2Z=YCYYa()iH=:a(a6O0D1GBbiK9BCMYTF0b6hE8MRf=N1(RUkh1YX|JAB`BKH9ZjXR|HmbPY(|Bll(*ld68FOjHl__346_GfMPS`iL*nBIWc4HaY_cJbfh)OLVFdR|Obo;d]Yk31RU^hX=XjbUXD=AA|eC0MG|OF6I9^]8B`FCFoTBbS8WZ)Y]X=]j9HA^CA7a9c2HV|A`Tk8B14;fkAD0Ob]k5YMS=8c*7Y]|P4;e;BL*mI7Vk*;11110mFnmZ17La]BKUF]|Jjf?I*|(GAQc4XNh0=NFj3MW[R[|Pfmd7MdG:1TP)g(UX06n9^b=URoSNP;|VKH_HJ81TQ`(DoiabefAk`H1Ri`?`XQBMXi_?YT9oDi[F]KLkk[9|6nU^b`je;KVMgn=7YPQMfJ72ma[E)LT:3_F]n?9F=dG)c]o1FaF^|Ui_oGo[KSjbJXbX_(FaM5QiZg6JkekN6[TZaZZ:Ff_|[77?JRn^CBighgnJ1K*UPeE_e^|l43(lCf8FhAn*P4)6:_Nil?ckfMN?FPL3)_Wm`fA]D0?)0dnN]H6N)^MEMOAnm;1i|clDeKLJahRcl[4hUCFfR3OUTo|fEV|Be3`DeKkhmJVD_UZRT9hnNDC5Yem?EN6aI2_NNidJd)T1WCWC5Do8P1hSl4AKmh^Oc1jP;9c|T::A:ZZN^bJefa]BJ)nY:*Pj;nhf^1WI|G[6;jEinOGTik=n`Dbh2En|kmKWO[RKkVM0`6Fhj)IW5abUkHME*6eKIWU0hKHo[CoNc;LY6MlXNYJWFDkOEfmNMgU07lJ_:;k]7X9Xn[KKhW(GC)U=a]?M8_QQbY`Jj`8cM0|0bJ4C=4iTgFgaZ3TOn^o2K?51bkJA)go_m8KEo*LMF:Dk.mmf
    f(x) = - x² f(2) = - 2² = 4 f(2) = - (2)² = -4 - x² = - (x)² est négatif. Il faut faire attention à la position des parenthèses
    f(x) = x² f(-1) = - 1² = - 1 f(-1) = (-1)² = 1 N'oubliez pas les parenthèses
    g(x) = (2 - x)² g(x) = 4 - x² g(x) = 4 - 4x + x² N'oubliez pas les identités remarquables (a + b)² et (a - b)²

    .

    img

    Polynôme du Second Degré

    f(x) = 3x et g(x) = x² - 4 f(x) - g(x) = 3x - x² - 4 f(x) - g(x) = 3x - (x² - 4) N'oubliez pas de mettre des parenthèses
    2(x - 1)² - 4 = 0 (x - 1) = 2 MMF.7h]Z3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDh_bB8cCPbi(b[ZJfU9:bfdBSmnm`799PPZYF9J=3l1RlF6a4;EMI)mGjnD|GjbbRmN;kGbMc_;E)UPFaknFaL?^lnB^[9h?nn9alW6gWoa[Ye9NGVccAGjK1^To;lEaMmQO0J[^doD6P`*VW4CQA:3VUeVN1R32RMCh5X1Z|)o0_=(J[NW_MkNcAAILG[aMK3MYWRnb6lYP|lUVbcChl5aFTdei?)kf3nSmO0a4^5c)bogaYOZFUOoEFj0JQ]GbA2e[]N[DZlLoKZZbo;^ejB6K3fM)`T6]SXHgSl=lme*nCe0gFAnNRWe[|N7ll5;]T1_gCdKmHHce26dHh*gWR((iiS127DJh`cQi66H?hoCU:Gfo^A`kmA7jlQamNHjn7:4_AnS;LOYbV;hLYjm6CUn=d5NWm9gn)ehM6H:|I*PQ=5j?fU2IFUHXPoI08hRmTb63m8J835j)FBA;CY472*;[IFaP2)_EG`:BABeB6^1UbE`X3C)e=J0d`1](^o(GUdFSSi6KV2Z?[4?B[doH9RhAd`1PVDRZSYMYNjdlL5FHn|Q02CAba0=C7D0eR2XA=B3Y9BL59leBT5B1Y06:|I)l1=:`9C`56GNiBM_OTmM0l**D|88XM`H=D)d18]3lM4`_^8ZjOEG(R2_;HbL(J9j2YQB|3j0UXjXEMm(Le2WXaY5B^6Z=_Q^Jo[6(R4hH4B=hJo4d3:GQea]n54ICWcC]H=beJ5RIR?N0XBbTUbfCTjkC8|5TePZAk4XJlB94K_|6V2iZ5;58M0RZbB)bSW63TVjGV5n6V3M2c?J?JGmo6F;]:Q]kI?PB8]o|6K=FS6UokFGGQciUBm|[7l_bkFgMQ`eBg(*KdMIMd:2XXfHYPJ]f7UQVBK[D4|5TE_i4|QdCeEDfdJbm4l()9XWhTYQeC68iB=P=0b5j|dE07l[Nh59|lPS=PNT)24A_:8VhQb`_5`SFR02RIn^=AW23ZCDYEm[FF5o;5QZn()8P3WD7Z2QGKLQNEMb0K4lOg8RD3I0L^9_A05hB=b=URoSIP1^C]TF|=D2bb`6:Odji(MT)653|OP0)B]4i^_i|(_BCd[B^_M=a`k8]Y9^F7FY;LS)k`hm(4KZd*hGoJeC_BEI`Z6o5UkNj;W9foQnlEN4ZjoGFokE^lY5EHdCU;HjU`lYKSM?ll?;Fb6DaUUGLFV=WSG]FNgI]L[hJ?bTFd94(I[eN[O90C?4nRFV4Kb01V`aEkW?QjLnC[ane3PIdl|N7bMZP1Y`7WSa[0ceecZ[Zh?gXHO=j]bnZKcF)4FOU*g4|Jf`A[l]7mff|eRBX^BnZGO7Y|I*nFj:*7SmkA(VWGhmEhK5T:mikWA[*j*6M)M4ESlR07R?`AU_gRio(7Z0|W)b*XYHZZYjk9[Dk6e9XkjTY23[?KmMh6=VQN|8_YGWimNSk|gk1E;P)Wjm^EjMnN9[^Id30IKSXnSLG7:G=QfE0IE]TND3Q=[n^?Uk?=RTIgbQjUZMIC]mG[eng)AECG;jB?0odiM_f7_gNg]3cOeEd0IX.mmf (x - 1) = 2 MMF.7h]Z3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDh_bB8cCPbi(b[ZJfU9:bfdBSmnm`799PPZYF9J=3l1RlF6a4;EMI)mGjnD|GjbbRmN;kGbMc_;E)UPFaknFaL?^lnB^[9h?nn9alW6gWoa[Ye9NGVccAGjK1^To;lEaMmQO0J[^doD6P`*VW4CQA:3VUeVN1R32RMCh5X1Z|)o0_=(J[NW_MkNcAAILG[aMK3MYWRnb6lYP|lUVbcChl5aFTdei?)kf3nSmO0a4^5c)bogaYOZFUOoEFj0JQ]GbA2e[]N[DZlLoKZZbo;^ejB6K3fM)`T6]SXHgSl=lme*nCe0gFAnNRWe[|N7ll5;]T1_gCdKmHHce26dHh*gWR((iiS127DJh`cQi66H?hoCU:Gfo^A`kmA7jlQamNHjn7:4_AnS;LOYbV;hLYjm6CUn=d5NWm9gn)ehM6H:|I*PQ=5j?fU2IFUHXPoI08hRmTb63m8J835j)FBA;CY472*;[IFaP2)_EG`:BABeB6^1UbE`X3C)e=J0d`1](^o(GUdFSSi6KV2Z?[4?B[doH9RhAd`1PVDRZSYMYNjdlL5FHn|Q02CAba0=C7D0eR2XA=B3Y9BL59leBT5B1Y06:|I)l1=:`9C`56GNiBM_OTmM0l**D|88XM`H=D)d18]3lM4`_^8ZjOEG(R2_;HbL(J9j2YQB|3j0UXjXEMm(Le2WXaY5B^6Z=_Q^Jo[6(R4hH4B=hJo4d3:GQea]n54ICWcC]H=beJ5RIR?N0XBbTUbfCTjkC8|5TePZAk4XJlB94K_|6V2iZ5;58M0RZbB)bSW63TVjGV5n6V3M2c?J?JGmo6F;]:Q]kI?PB8]o|6K=FS6UokFGGQciUBm|[7l_bkFgMQ`eBg(*KdMIMd:2XXfHYPJ]f7UQVBK[D4|5TE_i4|QdCeEDfdJbm4l()9XWhTYQeC68iB=P=0b5j|dE07l[Nh59|lPS=PNT)24A_:8VhQb`_5`SFR02RIn^=AW23ZCDYEm[FF5o;5QZn()8P3WD7Z2QGKLQNEMb0K4lOg8RD3I0L^9_A05hB=b=URoSIP1^C]TF|=D2bb`6:Odji(MT)653|OP0)B]4i^_i|(_BCd[B^_M=a`k8]Y9^F7FY;LS)k`hm(4KZd*hGoJeC_BEI`Z6o5UkNj;W9foQnlEN4ZjoGFokE^lY5EHdCU;HjU`lYKSM?ll?;Fb6DaUUGLFV=WSG]FNgI]L[hJ?bTFd94(I[eN[O90C?4nRFV4Kb01V`aEkW?QjLnC[ane3PIdl|N7bMZP1Y`7WSa[0ceecZ[Zh?gXHO=j]bnZKcF)4FOU*g4|Jf`A[l]7mff|eRBX^BnZGO7Y|I*nFj:*7SmkA(VWGhmEhK5T:mikWA[*j*6M)M4ESlR07R?`AU_gRio(7Z0|W)b*XYHZZYjk9[Dk6e9XkjTY23[?KmMh6=VQN|8_YGWimNSk|gk1E;P)Wjm^EjMnN9[^Id30IKSXnSLG7:G=QfE0IE]TND3Q=[n^?Uk?=RTIgbQjUZMIC]mG[eng)AECG;jB?0odiM_f7_gNg]3cOeEd0IX.mmf ou - 2 MMF.7h]Z3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDh_bB8cCPbi(b[ZJfU9:bfdBSmnm`799PPZYF9J=3l1RlF6a4;EMI)mGjnD|GjbbRmN;kGbMc_;E)UPFaknFaL?^lnB^[9h?nn9alW6gWoa[Ye9NGVccAGjK1^To;lEaMmQO0J[^doD6P`*VW4CQA:3VUeVN1R32RMCh5X1Z|)o0_=(J[NW_MkNcAAILG[aMK3MYWRnb6lYP|lUVbcChl5aFTdei?)kf3nSmO0a4^5c)bogaYOZFUOoEFj0JQ]GbA2e[]N[DZlLoKZZbo;^ejB6K3fM)`T6]SXHgSl=lme*nCe0gFAnNRWe[|N7ll5;]T1_gCdKmHHce26dHh*gWR((iiS127DJh`cQi66H?hoCU:Gfo^A`kmA7jlQamNHjn7:4_AnS;LOYbV;hLYjm6CUn=d5NWm9gn)ehM6H:|I*PQ=5j?fU2IFUHXPoI08hRmTb63m8J835j)FBA;CY472*;[IFaP2)_EG`:BABeB6^1UbE`X3C)e=J0d`1](^o(GUdFSSi6KV2Z?[4?B[doH9RhAd`1PVDRZSYMYNjdlL5FHn|Q02CAba0=C7D0eR2XA=B3Y9BL59leBT5B1Y06:|I)l1=:`9C`56GNiBM_OTmM0l**D|88XM`H=D)d18]3lM4`_^8ZjOEG(R2_;HbL(J9j2YQB|3j0UXjXEMm(Le2WXaY5B^6Z=_Q^Jo[6(R4hH4B=hJo4d3:GQea]n54ICWcC]H=beJ5RIR?N0XBbTUbfCTjkC8|5TePZAk4XJlB94K_|6V2iZ5;58M0RZbB)bSW63TVjGV5n6V3M2c?J?JGmo6F;]:Q]kI?PB8]o|6K=FS6UokFGGQciUBm|[7l_bkFgMQ`eBg(*KdMIMd:2XXfHYPJ]f7UQVBK[D4|5TE_i4|QdCeEDfdJbm4l()9XWhTYQeC68iB=P=0b5j|dE07l[Nh59|lPS=PNT)24A_:8VhQb`_5`SFR02RIn^=AW23ZCDYEm[FF5o;5QZn()8P3WD7Z2QGKLQNEMb0K4lOg8RD3I0L^9_A05hB=b=URoSIP1^C]TF|=D2bb`6:Odji(MT)653|OP0)B]4i^_i|(_BCd[B^_M=a`k8]Y9^F7FY;LS)k`hm(4KZd*hGoJeC_BEI`Z6o5UkNj;W9foQnlEN4ZjoGFokE^lY5EHdCU;HjU`lYKSM?ll?;Fb6DaUUGLFV=WSG]FNgI]L[hJ?bTFd94(I[eN[O90C?4nRFV4Kb01V`aEkW?QjLnC[ane3PIdl|N7bMZP1Y`7WSa[0ceecZ[Zh?gXHO=j]bnZKcF)4FOU*g4|Jf`A[l]7mff|eRBX^BnZGO7Y|I*nFj:*7SmkA(VWGhmEhK5T:mikWA[*j*6M)M4ESlR07R?`AU_gRio(7Z0|W)b*XYHZZYjk9[Dk6e9XkjTY23[?KmMh6=VQN|8_YGWimNSk|gk1E;P)Wjm^EjMnN9[^Id30IKSXnSLG7:G=QfE0IE]TND3Q=[n^?Uk?=RTIgbQjUZMIC]mG[eng)AECG;jB?0odiM_f7_gNg]3cOeEd0IX.mmf Le passage à la racine carrée fait apparaître 2 cass
    x² + x + 1 (x + 6)x MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf = 0 x² + x + 1 = (x + 6)x x² + x + 1 = 0 On multiplie à droite et à gauche par
    (x + 6)x, et 0*(x + 6)x = 0
    f(x) = - x² + 3x f(2) = - 2² + 6 = 4 + 6 f(2) = - (2)² + 6 = - 4 + 6 - x² = - (x)² est négatif, ce qui est différent de (-x)² = x². Il faut faire attention à la position des parenthèses

    .

    img

    Multiplier ou Diviser des Fractions

    2 3 MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf m 2m 3m MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf 2 3 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Un facteur devant la fraction multiplie seulement le numérateur
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h 2 3 h 1 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= 2 3 MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf x 1 h MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf = 2 3h MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf Le numérateur est multiplié par l'inverse du dénominateur
    2 x²+x+1 MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf 2x²+x+1 MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf 2(x²+x+1) MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf Ne pas oublier les parenthèses au numérateur
    - -x+1 x MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf x+1 x MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf x-1 x MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf Le signe "-" revient à multiplier par (-1), et il ne faut pas oublier les parenthèses au numérateur

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    Additionner ou Soustraire des Fractions

    4x + 1 x MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf 4 x + 1 x MMF.7h^U3`00QEOMM^9637j2_0)GiQb7(iXOcgS_2?FVW0K80Fnf5mbhFcOU=86]*m[|i_3^eOcHUUVKQY3XTfHTOAZ=(=_il^=Z_ISVlmGbj_eZ)e]WdgbeSQK5lLm5lKSk([X_ZiO3_WPJOMk]AonH2NOSZfdncnnb:?_k]CS^3_][*=E3]]jPTdS5Xb*N(MCl=(fc2)8AeoQVP7l1?S3fPM_UfJogMm?i(QYOWJjfVbc?il]KVl1V|i`^|^SCBeV==^Ga^=|oh^ZGHlCRaF9FkXn_eKMUnJn?P6[XEo(c=OMZdJYGCkoOEVGiEf)COKKPCYfi0jm)nX?[)=lmUblSe8gFQnMRgeQ(?3^lES_TA]NWPn]QR?D0KASP3IN8`bGV(40M1[S3(7WXI`o3m?TioA2L3igj07enRCjoA9l?d)L3m?T`OMi?W`oC5`)W;`KXRg?jC_lM[`j?PG|IHXQEd:(f5|[;0VF*0DP4)RaBe|238K6686_RbMQ5B*0Y0Q=TK628oNj_TIFI5fdJ46A)U]Pde(AhH=)0H51=i:l^ReZ_TA^KR82(*cc|CdT*UhRZ0I1(^:e)T6eh:*9`EIP4cf0CZ)F4)[Ie054SFhVT1VTW)LhXJI82]aE8Jb08)di;`1GI*U?P^|f=Vfi(FP=14a102R;L6MA0=0N8*=;CDAgW8VWS2Tf82d=mY`A8VX:d:ISP*792E*ZjC5;PDi3e*Y_2MF((gE3gSb54I4Z8:4IKRjJQK1YQ_j97XJC]TkXMU;|F=B^Ed1i*=P|NI4?T])fdQ16I]4;2fi8V]0R92el3eGY=4^;97X:XldR(HebS]8fRjFG*]14dRJm]o70I]7BEe*4Y^|FB[f=ZdX[JaYM1MWdHDSHf_0Rn30e_O1oFB50CKDCS^j16BD_=f0B^VgUPR2E]Dd|ITDWiDdhRYZ:]K2Y9NjN:74bJd2fJM4aZ:4S93*?6)[)5*AObc^0BI?8`BH5Z3`QHIbPagD66UP|HJD*0e[5eAR)h`MBHQ2]]HoCG|X6:KT`Xd;5|PBg:MN)bDaDg89_C1cLRN*dh1NiVe82Fa(e8gR1j=^36Y6T*J*gPi7:0X9mCKT`f0`H4^An0Pi:e2eeoeQV6BJVJYIgCLL)b:JBKUReZBW8k_LN?C1Jk]6)1ocgb(JdE7)YJlAF|[X^LWOj7H1Fhb`Bm2Gn=VgcF:]6S21K7dV4A[(YYOWP5Jn:b6(Y:=eK][;YS=AOgYYN[lCo50W|T_EV_Ej|lHQ)lCfbBh1^|P4f6:_Nil?c7fML?[h(N7OoaHM8KA(oRWRM?Kk1?WM)Z)XAemV7cI[L_ZVlNJlC;l[4hUQhKa)_bbGdIliXD=*m5]B]nNbYib=IBb8iO0[;9Ifo7ZPRHTadOPdkdj6B?CYgYRRMTH1lSl4HKmh^Oc06Pc9c|T;0]EEBMiM:ZgMUHQ*`[YGF2RfMgJcb(iJ5ja^nTNOUf3?gYGc1Q[|=WZk_EnCXlCOOC8n0fg7CcRg))d^KC8[9UVbocb;[Ko;cjO3?MI=Ih|]jGNKK(kOOEVoM]7RGSMbnX8(fR]o5Ynh1?NN?CbB_TN(2ngN33TaVS3[a)h1j(lQn81k6=.mmf = 4 + 1 On ne peut pas simplifier par x Il faudrait que x soit en facteur de tout le numérateur pour pouvoir simplifier par x.
    2 x²+x+1 MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf 2x²+x+1 MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf 2(x²+x+1) MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf Ne pas oublier les parenthèses au numérateur
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x-3 4 MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf x-(x-3) 5-4 MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf 4x 20 MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf - 5(x-3) 20 MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf = 4x-5(x-3) 20 MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf Vous ne pouvez pas soustraire (ou additionner) les termes au numérateur et dénominateur, il faut mettre les fractions sous le même dénominateur

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    Résoudre une Equation

    x + 1 = 2 x MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf - 1 x + 1*x = 2 - 1 (x + 1) x = 2 - 1*x On multiplie à droite et à gauche par x sans oublier de mettre des parenthèses
    ( 2 MMF.7h]Z3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDh_bB8cCPbi(b[ZJfU9:bfdBSmnm`799PPZYF9J=3l1RlF6a4;EMI)mGjnD|GjbbRmN;kGbMc_;E)UPFaknFaL?^lnB^[9h?nn9alW6gWoa[Ye9NGVccAGjK1^To;lEaMmQO0J[^doD6P`*VW4CQA:3VUeVN1R32RMCh5X1Z|)o0_=(J[NW_MkNcAAILG[aMK3MYWRnb6lYP|lUVbcChl5aFTdei?)kf3nSmO0a4^5c)bogaYOZFUOoEFj0JQ]GbA2e[]N[DZlLoKZZbo;^ejB6K3fM)`T6]SXHgSl=lme*nCe0gFAnNRWe[|N7ll5;]T1_gCdKmHHce26dHh*gWR((iiS127DJh`cQi66H?hoCU:Gfo^A`kmA7jlQamNHjn7:4_AnS;LOYbV;hLYjm6CUn=d5NWm9gn)ehM6H:|I*PQ=5j?fU2IFUHXPoI08hRmTb63m8J835j)FBA;CY472*;[IFaP2)_EG`:BABeB6^1UbE`X3C)e=J0d`1](^o(GUdFSSi6KV2Z?[4?B[doH9RhAd`1PVDRZSYMYNjdlL5FHn|Q02CAba0=C7D0eR2XA=B3Y9BL59leBT5B1Y06:|I)l1=:`9C`56GNiBM_OTmM0l**D|88XM`H=D)d18]3lM4`_^8ZjOEG(R2_;HbL(J9j2YQB|3j0UXjXEMm(Le2WXaY5B^6Z=_Q^Jo[6(R4hH4B=hJo4d3:GQea]n54ICWcC]H=beJ5RIR?N0XBbTUbfCTjkC8|5TePZAk4XJlB94K_|6V2iZ5;58M0RZbB)bSW63TVjGV5n6V3M2c?J?JGmo6F;]:Q]kI?PB8]o|6K=FS6UokFGGQciUBm|[7l_bkFgMQ`eBg(*KdMIMd:2XXfHYPJ]f7UQVBK[D4|5TE_i4|QdCeEDfdJbm4l()9XWhTYQeC68iB=P=0b5j|dE07l[Nh59|lPS=PNT)24A_:8VhQb`_5`SFR02RIn^=AW23ZCDYEm[FF5o;5QZn()8P3WD7Z2QGKLQNEMb0K4lOg8RD3I0L^9_A05hB=b=URoSIP1^C]TF|=D2bb`6:Odji(MT)653|OP0)B]4i^_i|(_BCd[B^_M=a`k8]Y9^F7FY;LS)k`hm(4KZd*hGoJeC_BEI`Z6o5UkNj;W9foQnlEN4ZjoGFokE^lY5EHdCU;HjU`lYKSM?ll?;Fb6DaUUGLFV=WSG]FNgI]L[hJ?bTFd94(I[eN[O90C?4nRFV4Kb01V`aEkW?QjLnC[ane3PIdl|N7bMZP1Y`7WSa[0ceecZ[Zh?gXHO=j]bnZKcF)4FOU*g4|Jf`A[l]7mff|eRBX^BnZGO7Y|I*nFj:*7SmkA(VWGhmEhK5T:mikWA[*j*6M)M4ESlR07R?`AU_gRio(7Z0|W)b*XYHZZYjk9[Dk6e9XkjTY23[?KmMh6=VQN|8_YGWimNSk|gk1E;P)Wjm^EjMnN9[^Id30IKSXnSLG7:G=QfE0IE]TND3Q=[n^?Uk?=RTIgbQjUZMIC]mG[eng)AECG;jB?0odiM_f7_gNg]3cOeEd0IX.mmf - 4 )x - 1 = 2 x - 1 = 2 2 4 MMF.7h^*3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDh_bB8cCPbi|b[ZJfU9::fdBSmjm2g19PPZYF[J53mP5l66a4;EMI)mGjnD|GjbbZkN[kGbMc_;E)UPFacnGaM?^dnBQ[5h?nn9ilW6gWoaSYe9NGfgcAGjO1^WOGh[Sk[2o0JMjC=LKib*`hB*:9l9YOY[UJ*0bW80)9e90Q=8kTk`S5nV_3oNcAAILGif^]Y|dcaOI7FJ`fFBcIAYlN2f[bJHl7WOk9kOjmAR8L;VLUo_SUnYKE_iKQg1Z65K;(kF|eJYC[iio_j_:lZoFYXM|gYdiL`Ne)QX)7XOikZElWCSMI7eh:OJ]aHKc`iMZikSamLWXNQQS?D8KAWS39N9`RCV(D8LAkS1)7XKI`cQmNDkO1iMSYci2GejR;boAUb?di*Qm)DiO3])GhoCEb)V[4O[ZW3kY_k^[8d)*]*`QQ(K[WCIDYYJETd5kX1f8oB:31^T=4AZl73=?5QM57R*)F2nk1XJ`g_di*5WD8ZH1GYI|2JIQY[H6V0IhPfTSOjH|6Wg|^8VYl|PBTWio`X9*8ZH1`3:AF1d_HgR]?:0ZC;eW`0*J)N:)|*jP6XBER1Z*m9:CPY=V:DR|*=80aMQ9GP9Yf1JNPXbkg:C]an*eD3`11J`PR|jP0JXm*0Ld?agCLjjR;Zj:6G5U^Nn40LeCd9R2m*jdI5Beh||d1gD:^UV8:MbdA]l=COmHAT*WS8PA_;Eh6PKCl?|=?`ZS|DnJMS1d;AYF9^8mH30;jFG;i:C[]4P`VKE29;^BA[`84HE_P)VlAQ7cQ8NPVS`RBh`KU7AAHWhIH]h8(H|OHgao6F9=UHdm(W`;TVmRaZ`EHhb__Damj5)f65iiGiJ7]gDO=TQa4fm4FgM1Pj:)V|D4K]YiH9TUjE9;19=InA?98RJZZfbRFG|WQQe(4_4](N^Ha7:*|1|6*_AVRh0nU;g1YMST4IX3dad*R=i*4W4?FEh^4:`A0DC?eQ^=*8)Y=BTZKF^|[fD;3MlHLA27^P=HU9_FIJlZ=23Kd`LJTK81TP)j6*gP9J4I:E_4c`IXC=XF|MH0bBh7:?hiAF)b7C2Pf?d0=bQ5]i3j|lW*Cd[C;^fM3Pg;]Y0d;C_DU^A^m^0n(TE8JHO:_MNXSXUF8=Bg^YNgDQNAWKn3]bZgbgZmmOl]CCjdJ^MAN*^a9:bleI3VQiNgAYC5F5IaJhg96_N|m^;Ni78eoZMHP4LbV?Ej]LX3(GGgBD`Sm`LX^2Ic:_YLN?WSk)]7[H(1WOcaHK8fZ8750dnN]*6O)VMEMO3[l67cM[L_ZVleSQg)bZORF=KH)[`^WnWKF:e9W)JaZ7K5KlnUm=TRQOChbB=(?_ej[0Z?9M_ag^_DP4h?j(bI[WQf3?0a`]eXBko^TmT39`^B2BU|ZJ;Z;MNXY[=1QOH[=CYaRnOgJgLHfJ5jLEm:lo;[dOMWoH:YX0jO[niGin_LJM;?P)2f^Dfg_i1c9fdn;0(|fb;;0gBgnGWelGJfBM5h*^mIWVHiOUnmOM_V*GCmEP^0Ph?T^M]ofSjj3JO]aSf6`KECJ*O8I|PVeOGYi?cm1nR0]2|.mmf x = 3 2 4 MMF.7h^*3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDh_bB8cCPbi|b[ZJfU9::fdBSmjm2g19PPZYF[J53mP5l66a4;EMI)mGjnD|GjbbZkN[kGbMc_;E)UPFacnGaM?^dnBQ[5h?nn9ilW6gWoaSYe9NGfgcAGjO1^WOGh[Sk[2o0JMjC=LKib*`hB*:9l9YOY[UJ*0bW80)9e90Q=8kTk`S5nV_3oNcAAILGif^]Y|dcaOI7FJ`fFBcIAYlN2f[bJHl7WOk9kOjmAR8L;VLUo_SUnYKE_iKQg1Z65K;(kF|eJYC[iio_j_:lZoFYXM|gYdiL`Ne)QX)7XOikZElWCSMI7eh:OJ]aHKc`iMZikSamLWXNQQS?D8KAWS39N9`RCV(D8LAkS1)7XKI`cQmNDkO1iMSYci2GejR;boAUb?di*Qm)DiO3])GhoCEb)V[4O[ZW3kY_k^[8d)*]*`QQ(K[WCIDYYJETd5kX1f8oB:31^T=4AZl73=?5QM57R*)F2nk1XJ`g_di*5WD8ZH1GYI|2JIQY[H6V0IhPfTSOjH|6Wg|^8VYl|PBTWio`X9*8ZH1`3:AF1d_HgR]?:0ZC;eW`0*J)N:)|*jP6XBER1Z*m9:CPY=V:DR|*=80aMQ9GP9Yf1JNPXbkg:C]an*eD3`11J`PR|jP0JXm*0Ld?agCLjjR;Zj:6G5U^Nn40LeCd9R2m*jdI5Beh||d1gD:^UV8:MbdA]l=COmHAT*WS8PA_;Eh6PKCl?|=?`ZS|DnJMS1d;AYF9^8mH30;jFG;i:C[]4P`VKE29;^BA[`84HE_P)VlAQ7cQ8NPVS`RBh`KU7AAHWhIH]h8(H|OHgao6F9=UHdm(W`;TVmRaZ`EHhb__Damj5)f65iiGiJ7]gDO=TQa4fm4FgM1Pj:)V|D4K]YiH9TUjE9;19=InA?98RJZZfbRFG|WQQe(4_4](N^Ha7:*|1|6*_AVRh0nU;g1YMST4IX3dad*R=i*4W4?FEh^4:`A0DC?eQ^=*8)Y=BTZKF^|[fD;3MlHLA27^P=HU9_FIJlZ=23Kd`LJTK81TP)j6*gP9J4I:E_4c`IXC=XF|MH0bBh7:?hiAF)b7C2Pf?d0=bQ5]i3j|lW*Cd[C;^fM3Pg;]Y0d;C_DU^A^m^0n(TE8JHO:_MNXSXUF8=Bg^YNgDQNAWKn3]bZgbgZmmOl]CCjdJ^MAN*^a9:bleI3VQiNgAYC5F5IaJhg96_N|m^;Ni78eoZMHP4LbV?Ej]LX3(GGgBD`Sm`LX^2Ic:_YLN?WSk)]7[H(1WOcaHK8fZ8750dnN]*6O)VMEMO3[l67cM[L_ZVleSQg)bZORF=KH)[`^WnWKF:e9W)JaZ7K5KlnUm=TRQOChbB=(?_ej[0Z?9M_ag^_DP4h?j(bI[WQf3?0a`]eXBko^TmT39`^B2BU|ZJ;Z;MNXY[=1QOH[=CYaRnOgJgLHfJ5jLEm:lo;[dOMWoH:YX0jO[niGin_LJM;?P)2f^Dfg_i1c9fdn;0(|fb;;0gBgnGWelGJfBM5h*^mIWVHiOUnmOM_V*GCmEP^0Ph?T^M]ofSjj3JO]aSf6`KECJ*O8I|PVeOGYi?cm1nR0]2|.mmf On fait d'abord basculer le 1 à gauche, puis on divise par 2 MMF.7h]Z3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDh_bB8cCPbi(b[ZJfU9:bfdBSmnm`799PPZYF9J=3l1RlF6a4;EMI)mGjnD|GjbbRmN;kGbMc_;E)UPFaknFaL?^lnB^[9h?nn9alW6gWoa[Ye9NGVccAGjK1^To;lEaMmQO0J[^doD6P`*VW4CQA:3VUeVN1R32RMCh5X1Z|)o0_=(J[NW_MkNcAAILG[aMK3MYWRnb6lYP|lUVbcChl5aFTdei?)kf3nSmO0a4^5c)bogaYOZFUOoEFj0JQ]GbA2e[]N[DZlLoKZZbo;^ejB6K3fM)`T6]SXHgSl=lme*nCe0gFAnNRWe[|N7ll5;]T1_gCdKmHHce26dHh*gWR((iiS127DJh`cQi66H?hoCU:Gfo^A`kmA7jlQamNHjn7:4_AnS;LOYbV;hLYjm6CUn=d5NWm9gn)ehM6H:|I*PQ=5j?fU2IFUHXPoI08hRmTb63m8J835j)FBA;CY472*;[IFaP2)_EG`:BABeB6^1UbE`X3C)e=J0d`1](^o(GUdFSSi6KV2Z?[4?B[doH9RhAd`1PVDRZSYMYNjdlL5FHn|Q02CAba0=C7D0eR2XA=B3Y9BL59leBT5B1Y06:|I)l1=:`9C`56GNiBM_OTmM0l**D|88XM`H=D)d18]3lM4`_^8ZjOEG(R2_;HbL(J9j2YQB|3j0UXjXEMm(Le2WXaY5B^6Z=_Q^Jo[6(R4hH4B=hJo4d3:GQea]n54ICWcC]H=beJ5RIR?N0XBbTUbfCTjkC8|5TePZAk4XJlB94K_|6V2iZ5;58M0RZbB)bSW63TVjGV5n6V3M2c?J?JGmo6F;]:Q]kI?PB8]o|6K=FS6UokFGGQciUBm|[7l_bkFgMQ`eBg(*KdMIMd:2XXfHYPJ]f7UQVBK[D4|5TE_i4|QdCeEDfdJbm4l()9XWhTYQeC68iB=P=0b5j|dE07l[Nh59|lPS=PNT)24A_:8VhQb`_5`SFR02RIn^=AW23ZCDYEm[FF5o;5QZn()8P3WD7Z2QGKLQNEMb0K4lOg8RD3I0L^9_A05hB=b=URoSIP1^C]TF|=D2bb`6:Odji(MT)653|OP0)B]4i^_i|(_BCd[B^_M=a`k8]Y9^F7FY;LS)k`hm(4KZd*hGoJeC_BEI`Z6o5UkNj;W9foQnlEN4ZjoGFokE^lY5EHdCU;HjU`lYKSM?ll?;Fb6DaUUGLFV=WSG]FNgI]L[hJ?bTFd94(I[eN[O90C?4nRFV4Kb01V`aEkW?QjLnC[ane3PIdl|N7bMZP1Y`7WSa[0ceecZ[Zh?gXHO=j]bnZKcF)4FOU*g4|Jf`A[l]7mff|eRBX^BnZGO7Y|I*nFj:*7SmkA(VWGhmEhK5T:mikWA[*j*6M)M4ESlR07R?`AU_gRio(7Z0|W)b*XYHZZYjk9[Dk6e9XkjTY23[?KmMh6=VQN|8_YGWimNSk|gk1E;P)Wjm^EjMnN9[^Id30IKSXnSLG7:G=QfE0IE]TND3Q=[n^?Uk?=RTIgbQjUZMIC]mG[eng)AECG;jB?0odiM_f7_gNg]3cOeEd0IX.mmf - 4
    -3x = 0 x = 3 x = 0 -3 MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf = 0 C'est bien une multiplication qu'il y a entre le -3 et le x
    (x + 2) - 1 = 0 x + 2 = 0 -1 MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf x + 2 = 1 Cette fois-ci ça n'est pas le cas, c'est un "-"
    (x + 3)(x - 1) = 0 (x + 3) = 0 x + 3 = 0 ou x - 1 = 0 Il y a autant de cas que de facteurs
    h(1 + 2x) = h 1 + 2x = 0 1 + 2x = 1 On divise à droite et à gauche par h
    x² = -4 x = -4 MMF.7h]Z3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDh_bB8cCPbi(b[ZJfU9:bfdBSmnm`799PPZYF9J=3l1RlF6a4;EMI)mGjnD|GjbbRmN;kGbMc_;E)UPFaknFaL?^lnB^[9h?nn9alW6gWoa[Ye9NGVccAGjK1^To;lEaMmQO0J[^doD6P`*VW4CQA:3VUeVN1R32RMCh5X1Z|)o0_=(J[NW_MkNcAAILG[aMK3MYWRnb6lYP|lUVbcChl5aFTdei?)kf3nSmO0a4^5c)bogaYOZFUOoEFj0JQ]GbA2e[]N[DZlLoKZZbo;^ejB6K3fM)`T6]SXHgSl=lme*nCe0gFAnNRWe[|N7ll5;]T1_gCdKmHHce26dHh*gWR((iiS127DJh`cQi66H?hoCU:Gfo^A`kmA7jlQamNHjn7:4_AnS;LOYbV;hLYjm6CUn=d5NWm9gn)ehM6H:|I*PQ=5j?fU2IFUHXPoI08hRmTb63m8J835j)FBA;CY472*;[IFaP2)_EG`:BABeB6^1UbE`X3C)e=J0d`1](^o(GUdFSSi6KV2Z?[4?B[doH9RhAd`1PVDRZSYMYNjdlL5FHn|Q02CAba0=C7D0eR2XA=B3Y9BL59leBT5B1Y06:|I)l1=:`9C`56GNiBM_OTmM0l**D|88XM`H=D)d18]3lM4`_^8ZjOEG(R2_;HbL(J9j2YQB|3j0UXjXEMm(Le2WXaY5B^6Z=_Q^Jo[6(R4hH4B=hJo4d3:GQea]n54ICWcC]H=beJ5RIR?N0XBbTUbfCTjkC8|5TePZAk4XJlB94K_|6V2iZ5;58M0RZbB)bSW63TVjGV5n6V3M2c?J?JGmo6F;]:Q]kI?PB8]o|6K=FS6UokFGGQciUBm|[7l_bkFgMQ`eBg(*KdMIMd:2XXfHYPJ]f7UQVBK[D4|5TE_i4|QdCeEDfdJbm4l()9XWhTYQeC68iB=P=0b5j|dE07l[Nh59|lPS=PNT)24A_:8VhQb`_5`SFR02RIn^=AW23ZCDYEm[FF5o;5QZn()8P3WD7Z2QGKLQNEMb0K4lOg8RD3I0L^9_A05hB=b=URoSIP1^C]TF|=D2bb`6:Odji(MT)653|OP0)B]4i^_i|(_BCd[B^_M=a`k8]Y9^F7FY;LS)k`hm(4KZd*hGoJeC_BEI`Z6o5UkNj;W9foQnlEN4ZjoGFokE^lY5EHdCU;HjU`lYKSM?ll?;Fb6DaUUGLFV=WSG]FNgI]L[hJ?bTFd94(I[eN[O90C?4nRFV4Kb01V`aEkW?QjLnC[ane3PIdl|N7bMZP1Y`7WSa[0ceecZ[Zh?gXHO=j]bnZKcF)4FOU*g4|Jf`A[l]7mff|eRBX^BnZGO7Y|I*nFj:*7SmkA(VWGhmEhK5T:mikWA[*j*6M)M4ESlR07R?`AU_gRio(7Z0|W)b*XYHZZYjk9[Dk6e9XkjTY23[?KmMh6=VQN|8_YGWimNSk|gk1E;P)Wjm^EjMnN9[^Id30IKSXnSLG7:G=QfE0IE]TND3Q=[n^?Uk?=RTIgbQjUZMIC]mG[eng)AECG;jB?0odiM_f7_gNg]3cOeEd0IX.mmf pas de solution car -4 < 0 Un terme au carrée est toujours positif
    x² = 9 x = 9 MMF.7h]Z3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDh_bB8cCPbi(b[ZJfU9:bfdBSmnm`799PPZYF9J=3l1RlF6a4;EMI)mGjnD|GjbbRmN;kGbMc_;E)UPFaknFaL?^lnB^[9h?nn9alW6gWoa[Ye9NGVccAGjK1^To;lEaMmQO0J[^doD6P`*VW4CQA:3VUeVN1R32RMCh5X1Z|)o0_=(J[NW_MkNcAAILG[aMK3MYWRnb6lYP|lUVbcChl5aFTdei?)kf3nSmO0a4^5c)bogaYOZFUOoEFj0JQ]GbA2e[]N[DZlLoKZZbo;^ejB6K3fM)`T6]SXHgSl=lme*nCe0gFAnNRWe[|N7ll5;]T1_gCdKmHHce26dHh*gWR((iiS127DJh`cQi66H?hoCU:Gfo^A`kmA7jlQamNHjn7:4_AnS;LOYbV;hLYjm6CUn=d5NWm9gn)ehM6H:|I*PQ=5j?fU2IFUHXPoI08hRmTb63m8J835j)FBA;CY472*;[IFaP2)_EG`:BABeB6^1UbE`X3C)e=J0d`1](^o(GUdFSSi6KV2Z?[4?B[doH9RhAd`1PVDRZSYMYNjdlL5FHn|Q02CAba0=C7D0eR2XA=B3Y9BL59leBT5B1Y06:|I)l1=:`9C`56GNiBM_OTmM0l**D|88XM`H=D)d18]3lM4`_^8ZjOEG(R2_;HbL(J9j2YQB|3j0UXjXEMm(Le2WXaY5B^6Z=_Q^Jo[6(R4hH4B=hJo4d3:GQea]n54ICWcC]H=beJ5RIR?N0XBbTUbfCTjkC8|5TePZAk4XJlB94K_|6V2iZ5;58M0RZbB)bSW63TVjGV5n6V3M2c?J?JGmo6F;]:Q]kI?PB8]o|6K=FS6UokFGGQciUBm|[7l_bkFgMQ`eBg(*KdMIMd:2XXfHYPJ]f7UQVBK[D4|5TE_i4|QdCeEDfdJbm4l()9XWhTYQeC68iB=P=0b5j|dE07l[Nh59|lPS=PNT)24A_:8VhQb`_5`SFR02RIn^=AW23ZCDYEm[FF5o;5QZn()8P3WD7Z2QGKLQNEMb0K4lOg8RD3I0L^9_A05hB=b=URoSIP1^C]TF|=D2bb`6:Odji(MT)653|OP0)B]4i^_i|(_BCd[B^_M=a`k8]Y9^F7FY;LS)k`hm(4KZd*hGoJeC_BEI`Z6o5UkNj;W9foQnlEN4ZjoGFokE^lY5EHdCU;HjU`lYKSM?ll?;Fb6DaUUGLFV=WSG]FNgI]L[hJ?bTFd94(I[eN[O90C?4nRFV4Kb01V`aEkW?QjLnC[ane3PIdl|N7bMZP1Y`7WSa[0ceecZ[Zh?gXHO=j]bnZKcF)4FOU*g4|Jf`A[l]7mff|eRBX^BnZGO7Y|I*nFj:*7SmkA(VWGhmEhK5T:mikWA[*j*6M)M4ESlR07R?`AU_gRio(7Z0|W)b*XYHZZYjk9[Dk6e9XkjTY23[?KmMh6=VQN|8_YGWimNSk|gk1E;P)Wjm^EjMnN9[^Id30IKSXnSLG7:G=QfE0IE]TND3Q=[n^?Uk?=RTIgbQjUZMIC]mG[eng)AECG;jB?0odiM_f7_gNg]3cOeEd0IX.mmf x = 9 MMF.7h]Z3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDh_bB8cCPbi(b[ZJfU9:bfdBSmnm`799PPZYF9J=3l1RlF6a4;EMI)mGjnD|GjbbRmN;kGbMc_;E)UPFaknFaL?^lnB^[9h?nn9alW6gWoa[Ye9NGVccAGjK1^To;lEaMmQO0J[^doD6P`*VW4CQA:3VUeVN1R32RMCh5X1Z|)o0_=(J[NW_MkNcAAILG[aMK3MYWRnb6lYP|lUVbcChl5aFTdei?)kf3nSmO0a4^5c)bogaYOZFUOoEFj0JQ]GbA2e[]N[DZlLoKZZbo;^ejB6K3fM)`T6]SXHgSl=lme*nCe0gFAnNRWe[|N7ll5;]T1_gCdKmHHce26dHh*gWR((iiS127DJh`cQi66H?hoCU:Gfo^A`kmA7jlQamNHjn7:4_AnS;LOYbV;hLYjm6CUn=d5NWm9gn)ehM6H:|I*PQ=5j?fU2IFUHXPoI08hRmTb63m8J835j)FBA;CY472*;[IFaP2)_EG`:BABeB6^1UbE`X3C)e=J0d`1](^o(GUdFSSi6KV2Z?[4?B[doH9RhAd`1PVDRZSYMYNjdlL5FHn|Q02CAba0=C7D0eR2XA=B3Y9BL59leBT5B1Y06:|I)l1=:`9C`56GNiBM_OTmM0l**D|88XM`H=D)d18]3lM4`_^8ZjOEG(R2_;HbL(J9j2YQB|3j0UXjXEMm(Le2WXaY5B^6Z=_Q^Jo[6(R4hH4B=hJo4d3:GQea]n54ICWcC]H=beJ5RIR?N0XBbTUbfCTjkC8|5TePZAk4XJlB94K_|6V2iZ5;58M0RZbB)bSW63TVjGV5n6V3M2c?J?JGmo6F;]:Q]kI?PB8]o|6K=FS6UokFGGQciUBm|[7l_bkFgMQ`eBg(*KdMIMd:2XXfHYPJ]f7UQVBK[D4|5TE_i4|QdCeEDfdJbm4l()9XWhTYQeC68iB=P=0b5j|dE07l[Nh59|lPS=PNT)24A_:8VhQb`_5`SFR02RIn^=AW23ZCDYEm[FF5o;5QZn()8P3WD7Z2QGKLQNEMb0K4lOg8RD3I0L^9_A05hB=b=URoSIP1^C]TF|=D2bb`6:Odji(MT)653|OP0)B]4i^_i|(_BCd[B^_M=a`k8]Y9^F7FY;LS)k`hm(4KZd*hGoJeC_BEI`Z6o5UkNj;W9foQnlEN4ZjoGFokE^lY5EHdCU;HjU`lYKSM?ll?;Fb6DaUUGLFV=WSG]FNgI]L[hJ?bTFd94(I[eN[O90C?4nRFV4Kb01V`aEkW?QjLnC[ane3PIdl|N7bMZP1Y`7WSa[0ceecZ[Zh?gXHO=j]bnZKcF)4FOU*g4|Jf`A[l]7mff|eRBX^BnZGO7Y|I*nFj:*7SmkA(VWGhmEhK5T:mikWA[*j*6M)M4ESlR07R?`AU_gRio(7Z0|W)b*XYHZZYjk9[Dk6e9XkjTY23[?KmMh6=VQN|8_YGWimNSk|gk1E;P)Wjm^EjMnN9[^Id30IKSXnSLG7:G=QfE0IE]TND3Q=[n^?Uk?=RTIgbQjUZMIC]mG[eng)AECG;jB?0odiM_f7_gNg]3cOeEd0IX.mmf ou x = - 9 MMF.7h]Z3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDh_bB8cCPbi(b[ZJfU9:bfdBSmnm`799PPZYF9J=3l1RlF6a4;EMI)mGjnD|GjbbRmN;kGbMc_;E)UPFaknFaL?^lnB^[9h?nn9alW6gWoa[Ye9NGVccAGjK1^To;lEaMmQO0J[^doD6P`*VW4CQA:3VUeVN1R32RMCh5X1Z|)o0_=(J[NW_MkNcAAILG[aMK3MYWRnb6lYP|lUVbcChl5aFTdei?)kf3nSmO0a4^5c)bogaYOZFUOoEFj0JQ]GbA2e[]N[DZlLoKZZbo;^ejB6K3fM)`T6]SXHgSl=lme*nCe0gFAnNRWe[|N7ll5;]T1_gCdKmHHce26dHh*gWR((iiS127DJh`cQi66H?hoCU:Gfo^A`kmA7jlQamNHjn7:4_AnS;LOYbV;hLYjm6CUn=d5NWm9gn)ehM6H:|I*PQ=5j?fU2IFUHXPoI08hRmTb63m8J835j)FBA;CY472*;[IFaP2)_EG`:BABeB6^1UbE`X3C)e=J0d`1](^o(GUdFSSi6KV2Z?[4?B[doH9RhAd`1PVDRZSYMYNjdlL5FHn|Q02CAba0=C7D0eR2XA=B3Y9BL59leBT5B1Y06:|I)l1=:`9C`56GNiBM_OTmM0l**D|88XM`H=D)d18]3lM4`_^8ZjOEG(R2_;HbL(J9j2YQB|3j0UXjXEMm(Le2WXaY5B^6Z=_Q^Jo[6(R4hH4B=hJo4d3:GQea]n54ICWcC]H=beJ5RIR?N0XBbTUbfCTjkC8|5TePZAk4XJlB94K_|6V2iZ5;58M0RZbB)bSW63TVjGV5n6V3M2c?J?JGmo6F;]:Q]kI?PB8]o|6K=FS6UokFGGQciUBm|[7l_bkFgMQ`eBg(*KdMIMd:2XXfHYPJ]f7UQVBK[D4|5TE_i4|QdCeEDfdJbm4l()9XWhTYQeC68iB=P=0b5j|dE07l[Nh59|lPS=PNT)24A_:8VhQb`_5`SFR02RIn^=AW23ZCDYEm[FF5o;5QZn()8P3WD7Z2QGKLQNEMb0K4lOg8RD3I0L^9_A05hB=b=URoSIP1^C]TF|=D2bb`6:Odji(MT)653|OP0)B]4i^_i|(_BCd[B^_M=a`k8]Y9^F7FY;LS)k`hm(4KZd*hGoJeC_BEI`Z6o5UkNj;W9foQnlEN4ZjoGFokE^lY5EHdCU;HjU`lYKSM?ll?;Fb6DaUUGLFV=WSG]FNgI]L[hJ?bTFd94(I[eN[O90C?4nRFV4Kb01V`aEkW?QjLnC[ane3PIdl|N7bMZP1Y`7WSa[0ceecZ[Zh?gXHO=j]bnZKcF)4FOU*g4|Jf`A[l]7mff|eRBX^BnZGO7Y|I*nFj:*7SmkA(VWGhmEhK5T:mikWA[*j*6M)M4ESlR07R?`AU_gRio(7Z0|W)b*XYHZZYjk9[Dk6e9XkjTY23[?KmMh6=VQN|8_YGWimNSk|gk1E;P)Wjm^EjMnN9[^Id30IKSXnSLG7:G=QfE0IE]TND3Q=[n^?Uk?=RTIgbQjUZMIC]mG[eng)AECG;jB?0odiM_f7_gNg]3cOeEd0IX.mmf Le passage à la racine carrée fait apparaître 2 cas
    x² + x + 1 (x + 6)x MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf = 0 x² + x + 1 = (x + 6)x x² + x + 1 = 0 On multiplie à droite et à gauche par
    (x + 6)x, et 0*(x + 6)x = 0

    .

    img

    Dérivation

    f(x) = -x 1+2x MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf f(2 + h) = -2+h 1+2*2+h MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf f(2 + h) = -(2+h) 1+2(2+h) MMF.7h]`3`00QEO=L]]637h2_h))m0b]FN`?^La=EQUGDd_bB8cCPbm|b[ZJfU9::fdBSmnm`)jB11EB]F`;7k0;h(=R8NYQ|GZogRaWaF:m^WRmN9Q_lUVagTC;l_SW|WcLOI[LEOG;HElnCCk^mY=ok5C:bh^7HU7LiU7nmiOb^3_|[`1EmoUVRdhR4dnBN29*lm)|b2)0N6;SRAB0FPW_Y7ZWbISoNWLkFjbRbh^gRhM]GQB;e*dU|=f^I||ln_1BeI=]MCc^mXnhn^DHRGRiW5OkhiOjfj[jedM0=*b[iHUJN[GZe)^WgfoZZ_Z[]NTQFg1WC]b1EbO3`M)hf3eG;a?DCCJ7ig;OFV`l?gbYMlR=[lm6el(Hja7J((8KcQ67LlaQQ3Z(L8MalS3(7|KYbe?j8KPL)oDAn_8LOGV)_QbQ;dOXbg7jLYRn7:N_ATiOSM1GYoBMoS]N7AV3m3;449^PAff|S9LEbZ03d0SB|(R***I3*XHPYlbCYDE901T26fA|H8Smk|lAbL:;U0H4FK8UU8JIFPlX3*P6ddKnk;9Xm2Ub4e(ET7E8Q_dI2n8B(*d0UXVTjPBI`V|EP:_2=7P6BZ2A4njHjP2Z*EB9Y05I;cTY)6VFPZ*:I0e*S9gT9I26KN4Yb;C;CMYnC5h3aA=*`0ZRg1Td*;D7R43cdc4mib[YhZZD4ENFnlhHd3`5CBWHh41;AUD[_Tach5?*cD9:hJXeQViXn|Lb8SYSA8cP[LGC(9A6f6ohDAQ=OM:dPg7GXV5U4]h3Q[:**KI(c[Y)B`BCFB|T|R]Y`X^*^?0=(9gG966Nj11DTdMR7N(6IEfDU5n6U3M2b^:W53mLQUBkbZH16Kj5b3LaDmJ::LGG*GIm65:f55h5GiJ7]kh?6jBhRCNRmEg*X:BSIRV1ZgHNF6K9^]*b`FAFoTbbR9WZ:Y]Ye]jIH*NC9Ga;bSXV|aaTk8J14;gI8Z0?IFm`:CIiQ)K0M0L4XSNDA=Y3UYL;16]40=6cmDHS^(7DVY*[KF_dek:5QVm()4QSg*4ZbUG[|ULE=b3Kd`Lg8VD390O^ISB0UlC=B=TROSKPaZA]4F|=T)abP):ODfi(]P(65;|OP8=BM0]MOcHIQTUYfZFmdg73|RfTViHMJT]b(k_3Sd`A^kASQNlNnIQT1HOjEW`5Zn|RInO_4:`:MmVP]n6oMI)?[1XmZV1a;1eF`FZLiXMG|2H^Rk6|d]JJ)V_J|mZcNk?ceOROHP4MbF3FVoFjR(*Dki)H9_P7962CXLYm;ScoLO;e`n]P*2MoO9Sd1SF`N)39da_XZG=FehN`SQhf[gOk|_kVLHYhECfFalYSRgQC?KT_HejCXNJn[7OUKdnE3=TBQOch:B1:?_mj[(^09M_a?^SDP4h?j(b9[Wa21_*HPCOJ^UolI0h0IN5TQaBeE5WgUV]B^k(QQ*h[=CW1aO?K3Ak6jU0ohgOBX_Yj3?gYGc0E[|?Wjm_ejCXlCOLc8)0fg7CmRg))d_K3(Z:b;EI5A)jf?jloG|nf)AWOb?^Zb5L5OEnmOWdXX^CbUHAiY2kO_21A^(MW^L^g=mc`7k86FS`.mmf Ne pas oubier les parenthèses

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