1developper xcarre+4x-12 (x+2) carré -16 factoriser
Mathématiques
fabbja
Question
1developper
xcarre+4x-12
(x+2) carré -16
factoriser
xcarre+4x-12
(x+2) carré -16
factoriser
1 Réponse
-
1. Réponse anafidele
xcarre+4x-12=x²+4x-12=(x-2)(x+6)
(x+2) carré -16= (x+2)² -16=[(x+2)-4][(x+2)+4]= (x-2)(x+6)