Bjr j’ai besoins d’aide svp ! :) merci

Factoriser

D = 2(3x - 1)(x + 3) - 3(x + 3)(4x + 1)

E = 7(x-7) - x(x - 7) + 4(x - 7)

F = (2x + 5) (3x - 7) - (2x + 5) (5x - 3)

G = (5x + 7)(x - 1) + (x - 1)(3x - 4)