Thanks!超急,十万火急的急!共有5题,在此分5题求解答!因式分解:-10 x^2 z + 25xyz - 15 y^2 z

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Thanks!超急,十万火急的急!共有5题,在此分5题求解答!因式分解:-10 x^2 z + 25xyz - 15 y^2 z
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Thanks!超急,十万火急的急!共有5题,在此分5题求解答!因式分解:-10 x^2 z + 25xyz - 15 y^2 z
Thanks!超急,十万火急的急!
共有5题,在此分5题求解答!
因式分解:-10 x^2 z + 25xyz - 15 y^2 z

Thanks!超急,十万火急的急!共有5题,在此分5题求解答!因式分解:-10 x^2 z + 25xyz - 15 y^2 z
-10 x^2 z + 25xyz - 15 y^2 z
=-5z(2x^2-5xy+3y^2)
=-5z(2x-3y)(x-y)
=-5z/2(x-3y/2)(x-y)