因式分解 :x^2(x-y)+y^2(x-y) m^2n-mn^2+mnx^2(x-y)+y^2(x-y)m^2n-mn^2+mn

问题描述:

因式分解 :x^2(x-y)+y^2(x-y) m^2n-mn^2+mn
x^2(x-y)+y^2(x-y)
m^2n-mn^2+mn