Question

1) 2a(x+y)+b(x+y)
2) y(a-b)-(a-b)
3) (c+3)-x(c+3)
даю 50 баллов​

Answer 1

1) 2a(x+y)+b(x+y) = 2ах + 2ау + bx + by

2) y(a-b)-(a-b) = ay - by - a + b

3) (c+3)-x(c+3) = c + 3 - cx - 3x