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Math Help - Factorisation Question

  1. #1
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    Factorisation Question

    I'm having trouble with this factorisation question:

    x^2 + 2ax + a^2 - b^2
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  2. #2
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    Quote Originally Posted by acevipa View Post
    I'm having trouble with this factorisation question:

    x^2 + 2ax + a^2 - b^2
    = (x^2 + 2ax + a^2) - b^2

    = (x + a)^2 - b^2

    which is a difference of two squares:

    = (x + a - b)(x + a + b)
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