Factoriser au maximum chacune des expressions A = (x + 2) (x - 1) + (3x + 5) (x + 2) B=7 (5 – x) - (2x + 3) (5 – x)
Mathématiques
jehkoya
Question
Factoriser au maximum chacune des expressions
A = (x + 2) (x - 1) + (3x + 5) (x + 2)
B=7 (5 – x) - (2x + 3) (5 – x)
A = (x + 2) (x - 1) + (3x + 5) (x + 2)
B=7 (5 – x) - (2x + 3) (5 – x)
1 Réponse
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1. Réponse ghgwmf4fq9
A = x2 - x + 2x + 2 + 3x2 + 6x + 5x + 10)
= 4x2 + 12x + 12