algebra

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I can't figure this out, can someone please help me?

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6/(x-4)+ 6/(x+4)

  • algebra -

    Create a common deniminator.
    6/(x-4)+ 6/(x+4) =

    [6(x+4) + 6(x-4)]/[(x+4)(x-4)]
    = 12x/(x^2-16)

    It isn't much simpler than the first version, but it may be what they want.

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