关于胡杨树的作文500字:分解因式:m(m-x)(m-y)-y(x-m)(y-m)
来源:百度文库 编辑:高校问答 时间:2024/05/12 06:07:48
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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(x-m)(y-m)
=m(x-m)(y-m)-y(x-m)(y-m)
=(m-y)(x-m)(y-m)
=-(m-y)^2 * (x-m)
(M-X)(M-Y)(M-Y)