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March 25, 2017

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Subtract.
[2x/(x^2-y^2)]-[7/(y-x)]

Thank you! :)

  • Algebra - ,

    change the second term to +7/(x-y)

    now get a common denominator of (x-y)(x+y)

    now you have for a total numerator
    2x+7(x+y) which is 9x+7y all over the common denominator.

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