将多项式m(m-x)(m-y)-y(x-m)(y-m)分解因式为?
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将多项式m(m-x)(m-y)-y(x-m)(y-m)分解因式为?
将多项式m(m-x)(m-y)-y(x-m)(y-m)分解因式为?
将多项式m(m-x)(m-y)-y(x-m)(y-m)分解因式为?
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
=m(m-x)(m-y)-y(m-x)(m-y)
=(m-y)^2(m-x)
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