M = (x + 7)(5x + 2) - 3(5x + 2)2 N = 7x(2x + 3) + 2x + 3
Mathématiques
charlottecrouzel
Question
M = (x + 7)(5x + 2) - 3(5x + 2)2
N = 7x(2x + 3) + 2x + 3
1 Réponse
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1. Réponse alexB18
Réponse:
M= 5x^2+2x+35x+14-30x-12
= 5x^2+7x+2...
N= 14x^2+21x+2x+3
= 14x^2+23x+3