Question

Раскройте скобки
(-10)*(2+x+y)
(-7)*(a+b+5)
-9*(x-7+y)
(-15)*(c-d-3)
4*(a-b+8)
(-12)*(-x-y+2)

Answer 1

1. -20-10х-10у
2.-7а-7б-35
3.-9х+63-9у
4.-15с+15д+45
5.4а-4б+32
6.12х+12у-24