多项式x²y+y²x²+x²z-2xyz+x²y因式分解结果为最后的x²y是z²y
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多项式x²y+y²x²+x²z-2xyz+x²y因式分解结果为最后的x²y是z²y
多项式x²y+y²x²+x²z-2xyz+x²y因式分解结果为
最后的x²y是z²y
多项式x²y+y²x²+x²z-2xyz+x²y因式分解结果为最后的x²y是z²y
x²y+y²x²+x²z-2xyz+x²y
=xy(x+xy+xz-2z+x)
=xy(2x+xy+xz-2z)