分解因式:4x(x-y)的平方-12xy(y-x)
问题描述:
分解因式:4x(x-y)的平方-12xy(y-x)
答
4x(x-y)的平方-12xy(y-x)
=4x(x-y)的平方+12xy(x-y)
=4x(x-y)(x-y+3y)
=4x(x-y)(x+2y)