merci se m aider Exercice 2 : Factoriser les expressions suivantes F = 12 x + 36 G = - 6x + 30x2 H=(x + 1) (x + 7)-2 (x + 7) 1 = (2x + 3) (x - 5) + 3x (x - 5) 1
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Question
merci se m aider
Exercice 2 : Factoriser les expressions suivantes F = 12 x + 36 G = - 6x + 30x2 H=(x + 1) (x + 7)-2 (x + 7) 1 = (2x + 3) (x - 5) + 3x (x - 5) 1 = (3x - 1)(x - 2) - (2x + 5) (3 x - 1) K = x (2 x + 3) - 8 (2 x + 3)? - 4 M = 25 x 81 F
Exercice 2 : Factoriser les expressions suivantes F = 12 x + 36 G = - 6x + 30x2 H=(x + 1) (x + 7)-2 (x + 7) 1 = (2x + 3) (x - 5) + 3x (x - 5) 1 = (3x - 1)(x - 2) - (2x + 5) (3 x - 1) K = x (2 x + 3) - 8 (2 x + 3)? - 4 M = 25 x 81 F
1 Réponse
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1. Réponse pierremurt
bonjour
F = 12 x + 36 = 12(x+3)
G = - 6x + 30x2 = -6x(1-5x)
H=(x + 1) (x + 7)-2 (x + 7)
=(x+7) (x-1)
après plus trop lisible
1 = (2x + 3) (x - 5) + 3x (x - 5) 1 = (3x - 1)(x - 2) - (2x + 5) (3 x - 1) K = x (2 x + 3) - 8 (2 x + 3)? - 4 M = 25 x 81 F