Bonjour j’ai pas compris cet exercice :
A= -4(8+2) B= -4x(3x -2) C= -3(x -7) D= x(5x -1) E= 7x -3(4x -5
F= 3(x+7) – (x+5)
G= 4(x – 3) +2 (x-7) H= (x + 4) (x + 3) I= (x – 5) (x + 2) J= (y – 6) (y – 7 )
K= (5 – 2x) (5x – 2) L= (3x – 2) (3x + 2) M= ( -4 – x) (2x – 6)