Bonjour,
Exercice 1
A:
8x +32
B:
-8 +2x²
C:
20x +4x -20 -4x = 24x -20
D:
8x³ +8x² -x² -x = 8x³ +7x² -x
Exercice 2
A= 2(x+2)
B= 5x( x + 5)
C= 7(1 +2x)
D= (2x-3) ( 5+x +8 ) = (2x-3)( x+13)
