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March 27, 2017

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factor completely. remember to look first for a common factor. if a polynomial is prime state this. x^2+2xy+y^2-9

  • algebra - ,

    Try factorizing the first three terms using the identity:
    (a+b)² = a² + 2ab + b²
    The resulting difference of two squares can be factorized using the identity:
    (a²-b²) = a² - b²

    Post your answer for a check if you are not sure.

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