Question

1)2(3a-4b)-3(a-2b)+4(-2a+3b)
2)4(3x+2y)-5(2x-3y)+3(-4x-5y)
3)3(5x-2y)-5(2x+y)+2(-3x-4y)-4(-x-3y)
4)3(4a+5b)-5(2a+3b)-4(3a+4b)+2(-a-2b)

Answer 1

1) 6a-8b-3a+6b-8a+12b
2)12x+8y-10x+15y-12x-15y
3)15x-6y-10x-5y-6x-8y+4x+12y
4)12a+15b-10a+15b-12a-16b-2a-4b

Sper ca te va ajuta..succes