Réponses

2012-09-16T15:02:53+02:00

A=8x+10x-6x+4x

=8x+4x+4x

=16x

 

B=-4x-2x-3+7x

=-6x-2x-3+7x

=-1x-3+7x

=6x-3

 

 

C= -4x+5+x-6x

=2x+5+x

3x+5