将多项式m(m-x)(m-y)-y(x-m)(y-m)分解因式为?
问题描述:
将多项式m(m-x)(m-y)-y(x-m)(y-m)分解因式为?
答
解
m(m-x)(m-y)-y(x-m)(y-m)
=m(m-x)(m-y)-y(m-x)(m-y)
=(m-x)(m-y)(m-y)
=(m-x)(m-y)²