3x(x-2y)^2-6x^2(2y-x)大哥哥大姐姐帮帮忙啊···急用!

问题描述:

3x(x-2y)^2-6x^2(2y-x)
大哥哥大姐姐帮帮忙啊···急用!

=(x-2y)(3x+6x^2)
=3x(x-2y)(1+2s)

3x(x-2y)^2-6x^2(2y-x)
=3x(x-2y)^2+6x^2(x-2y)
=(x-2y)(3x^2-6xy+6x^2)
=3x(x-2y)(3x-2y)