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9th grade

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Factor y2 + 10z - 10y - yz.

  • Math, not "9th grade" -

    Please type your subject in the School Subject box. Any other words, including obscure abbreviations, are likely to delay responses from a teacher who knows that subject well.

  • 9th grade -

    re-write as y^2-10y-yz+10z and factor 2 and 2

    y(y-10)-z(y-10)
    (y-z)(y-10)

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