Réponses

2013-04-27T15:57:19+02:00

A=3x²-6x+6x-4-2x+4+1x-2

A=3x²-1x-2

 

B=(3x)²-2X3xX1+1²-6x²+4+15x-10

B=9x²-6x+1-6x²+4+15x-10