KALOULOU917
Answered

factoriser c=42x au carré -7 d=(3x+2)(2x-1)-(2x-1)

bonjour de l'aide svp ​

Sagot :

Réponse :

c = 42x²-7 = 7(6x²-1)

d = (3x+2)(2x-1) - (2x-1) = (2x-1)(3x+2-1) = (2x-1)(3x+1)