Exercice 1
Factoriser les sommes suivantes.
A = (x-3) (x-1) + (x-3) (x-5)
B = (4x-3)(x-1) -(4x-3) (2x+1)
C = (x+1)2 + (x+1) (5x-3)
D = (2x-1)2 – (1-x) (2x -1)​