Question

Упростите выражнние b(a (a-b)-b(a+b))-a(b (a-b)-a(a+b))

Answer 1

b(a^2-ab-ab-b^2)-a(ab-b^2-a^2-ab)
b(a^2-2ab-b^2)-a(-b^2-a^2)
a^2b-2ab^2-b^3+ab^2+a^3
a^2b-ab^2-b^3+a^3