Factoriser chaque expression.

Salut :)

G = 2x + 6 x 2
G = 2(x + 6)

H = 6b - 6a + 18
H = 6 x b - 6 x a + 6 x 3
H = 6(b - a + 3)

I = 10a - 5
I = 5 x 2a - 5 x 1
I = 5(2a - 1)

J = y² + 2y
J = y x y + 2 x y
J = y(y + 2)

J'espère t'avoir aidé(e)! :)