Reconnaître un facteur commun, puis factoriser les expressions suivantes :

A = (2x + 1)(5x + 3) + (2x + 1)(x + 2)
A =
Aide

B = 2x(7x - 3) + 2x(5x - 2)
B =
Aide
C = (4x + 1)(3x + 2) + (x - 12)(3x + 2)
C =



D = (4x - 5)(x + 2) + (x + 2)²
D =
Aide

E = 7x(x + 2) + 49x²
E =
Aide





E = (2x + 1)(5x + 3) - (2x + 1)(x + 2)
E =
Aide
F = 2x(7x - 3) - 2x(5x - 2)
F =
G = (4x + 1)(3x + 2) - (x - 12)(3x + 2)
G =



H = (4x - 5)(x + 2) - (x + 2)²
H =
I = 7x(x + 2) - 49x²
I =

Retour