Réponses

2013-05-20T21:35:26+02:00

F=6-4(x-1)(x+2)

F=6-4(x²+2x-x-2)

F=6-4(x²+x-2)

F=6-4x²-4x+8

F=-4x²-4x+14

 

G=1+2(3x-4x+5)-(6x+5)-(4+3x)(-2x+1)

G=1+2(-x+5)-6x-5-(8x+4-6x²+3x)

g=1-2x+10-6x-5-8x-4+6x²-3x

g=6x²-19x+2