Bonjour, développer et réduire :

F = (3x + 4) (-x + 6)
G = (2 + 4x) (2x + 3) + 3
H = (x + 2) (x + 5)
I = (3x + 2) (2x + 4)
J = (3x + 4) (2x - 5)
K = (2x - 5) (3x + 2)
L = (3x - 1) (4x - 3)
M = (-2x + 1) (x - 6)
N = 3x + (1 - 6x) (2x - 4)