4m^3n-4m^2n^2+mn^3-mn因式分解

4m^3n-4m^2n^2+mn^3-mn因式分解 因式分解4m^2n(m-n)^2-mn^3(n-m) 3(m^2n+mn)-4(mn-2m^2n)+mn. 因式分解：2m^2n-m^3-mn^2 已知m-n=4,mn=2,求多项式（-2mn+2m+3n)-(3mn+2n-2n)-(m+4n+mn)的值 已知m-n=4,mn=2,求多项式（-2mn+2m+3n)-(3mn+2n-2m)-(m+4n+mn)的值. 因式分解：2m^3*n^2(m+n)^2-8m^2*n^3(m^2-n^2)+8mn^4(n-m)^2 已知m-n=3,mn=-3,求(-m-4n-mn)-(2mn-2m-3n)-(3mn+2n-2m)的值 若m-n=4,mn=-1求(9-2mn+2m+3n)-(3mn+2n-2m)-(m+4n+mn) 若m-n=4,mn=-1,求(-2mn+2m+3n)-(3mn+2n-2m)-(m+4n+mn)的值 已知m-n=3,mn=-1,求多项式-2mn+2m+3n-3mn-2n+2m-4n-m-mn的值 已知m-n=2,mn=1,求多项式(2mn+2m+3n)-(3mn+2n-2m)-(m+4n+mn)的值