Question

Разложите на множители:
4a³b²(x-y)-18ab⁴(y-x)

Answer 1

4a^3b^2(x-y)-18ab^4(y-x)=4a^3b^2(x-y)-18ab^4(-(x-y))=4a^3b^2(x-y)+18ab^4(x-y)=2ab^2(x-y)×(2a^2+9b^2)