Réponses

Meilleure réponse !
2012-10-29T23:49:20+01:00

(2x+3)(x-1)²=(2x+3)(x²-2x+1)=2x³-4x²+2x+3x²-6x+3=2x³-x²-4x+3

2012-10-29T23:53:25+01:00

(2x+3)(x-1)² =(2x+3)(x^2-2x+1)=2x^3-4x^2+2x+3x^2-6x+3=2x^3-x^2-4x+3

bonne chance