JEHKOYA
Answered

Factoriser au maximum chacune des expressions
A = (x + 2) (x - 1) + (3x + 5) (x + 2)
B=7 (5 – x) - (2x + 3) (5 – x)

Sagot :

GHGWMF4FQ9
A = x2 - x + 2x + 2 + 3x2 + 6x + 5x + 10)
= 4x2 + 12x + 12