xy-yz+xz-y²因式分解

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xy-yz+xz-y²因式分解xy-yz+xz-y²因式分解xy-yz+xz-y²因式分解解xy-yz+xz-y^2=(xy-y^2)+(zx-yz)=y(x-y)+z(

xy-yz+xz-y²因式分解
xy-yz+xz-y²因式分解

xy-yz+xz-y²因式分解

xy-yz+xz-y^2
=(xy-y^2)+(zx-yz)
=y(x-y)+z(x-y)
=(z+y)(x-y)