分解因式6x^3y(x-y)^2-4xy^3(y-x)^2
问题描述：
分解因式6x^3y(x-y)^2-4xy^3(y-x)^2
答
6x^3y(x-y)^2-4xy^3(y-x)^2
=2xy(x-y)^2(3x^2-2y^2)
=2xy(x-y)^2(根3x+根2y)(根3x-根2y)