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ErzaScarlett23
@ErzaScarlett23
March 2022
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Exercice n°1 :
On considère l'expression littérale suivante : A = (2x - 1)2 – (7x - 3)(2x - 1). 19)
Développer et réduire A puis vérifier que A = -10x2 + 19x - 7.
2°) Factoriser A. 3) Résoudre l'équation (2x - 1)(-5x + 7) = 0.
4) Résoudre l'équation (2x - 1)-(-5x + 7) = 0.
Besoin d'aide svp merci d'avance !!
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