Question

выполните умножение: a(b-x); (b-a)*(-2);y(x-y-z)

Answer 1

ab-ax
-2b+2a
yx-y^2-zy

Answer 2

a(b-x)=ab-ax
(b-a)*(-2)=-2b+2a
y(x-y-z)=yx-y^2-yz