Exercice 1 Factoriser les expressions suivantes:
A = 12x² - 18
B = 25x² - 12x
C = 8x16x²
D = 5(2x + 1) + (x + 3)(2x + 1)
E = (8x - 3)(3x + 7) - (8x - 3) (5x-4)
F = (2x + 1) (5x-4) - (2x + 1)²​