Verified answer

Réponse :

Explications étape par étape

Bonjour

Factoriser :

A = 9 - 3x

A = 3 * 3 - 3 * x

A = 3(3 - x)

B = 9x + 45

B = 9 * x + 9 * 5

B = 9(x + 5)

C = 7x - 56

C = 7 * x - 7 * 8

C = 7(x - 8)

D = 2x + 12

D = 2 * x + 2 * 6

D = 2(x + 6)

E = 3x + 27

E = 3 * x + 3 * 9

E = 3(x + 9)