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Lulugirl971
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5
Questões
1
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Lulugirl971
April 2019 | 1 Respostas
Factoriser les expressions suivantes:A=(3x-7)²-(3x-7)(2x-1)B=2x-3-(5x+1)(2x-3)C=(x+4)(3-5x)-(x+4)
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Lulugirl971
April 2019 | 2 Respostas
Developper et réduire:A=6x-3(x+1)²B=-3x(x-4)²C=(-x-7)(3-5x)
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Lulugirl971
April 2019 | 1 Respostas
Soit la focntion f definie par f(x)=x²-8x+7 1.Montrer que f(x)=(x-4)²-9 2.En deduire uen formule factorisée de f(x)3.utiliser la forme la plus adaptée e f(x) pour repondre : -calculer F(racinecarréde 3) -resoudre l'equation f(x) = 0 -calculer f(4) ~~~~~~~~~~~~~~~~~MERCI~~~~~~~~~~~~~~~~~~~~~~~~
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Lulugirl971
April 2019 | 2 Respostas
(....+3)²=....t+9(....-4)²+....-4x+.....Completer les espaces vides :) Mercii
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Lulugirl971
April 2019 | 2 Respostas
(x.....)²=x² +.....+16(x....)² =X²-8x+.....COMPLETER SVP SVP
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