Réponses

2014-09-30T14:36:06+02:00
A= -12x+8

B= 14-10x+6
B= 20-10x
B= 10*(2-x)

C= -8x-28+6x-6
C= -2x-34
C= -2*(x+17)
2014-09-30T14:45:05+02:00
A=4*(-3x+2)
-12x+8

B=14+(-2)*(5x-3)
14+(-10x+6)
20-10x

C= -4(2x+7)+3(2x-2)
(-8x-28)+(6x-6)
-2x-34