Répondre :
A=2(3x+4)+3(x-2)=6x+6+3x-6=9x
B=4(x-5)-2(x-2)=4x-20-2x+4=6x-16
C=5(3-2x)-2(x+3)=15-10x-2x-6=-12x+9
D=-3(2x-5)-(4-x)=-6x+15-4+x=7x+11
As tu des questions ?
B=4(x-5)-2(x-2)=4x-20-2x+4=6x-16
C=5(3-2x)-2(x+3)=15-10x-2x-6=-12x+9
D=-3(2x-5)-(4-x)=-6x+15-4+x=7x+11
As tu des questions ?