Question

выполните умножение: (4b^2+2a^2-4ab)(3ab+2a^2-3b^3)

Answer 1

12ab^3+8a^2b^2-12b^5+6a^3b+4a^4-6a^2b^2-8a^3b+12ab^4=12ab^3-4a^2b^2-12b^5_2a^3b+12ab^4;