因式分解:12xy^2(y-x)+xy^3(x-y)+4x^2y(x-y)

分类: 作业答案 • 2022-09-27 16:28:28

问题描述：

答

12xy^2(y-x)+xy^3(x-y)+4x^2y(x-y)
=-12xy^2(x-y)+xy^3(x-y)+4x^2y(x-y)
=xy(x-y)(-12y+y^2+4x)