分解因式（1）4x^2y-2xy^2= (2)2x^3+12x^2y+18xy^2=

分类: 作业答案 • 2021-12-31 10:31:39

问题描述：

答

4x^2y-2xy^2= 2xy(2x-y)
2x^3+12x^2y+18xy^2
=2x(x^2+6xy+9y^2)
=2x(x+3y)^2