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Math Help - simplify

  1. #1
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    Re: simplify

    Could you explain where you are running into problems and maybe I can help you get past them. I don't think you learn much if I just do the problem for you.
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    Re: simplify

    How can i simplify the denominator ?
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    Junior Member MathVideos's Avatar
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    Re: simplify

    Hint: recall the difference of 2 squares.

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

    Think of the denominator as (a-b)

    Think you can take it from here? Think about it for a minute or two and if you still can't get it, let me know.
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    Re: simplify

    Why have you got brackets in the denoninator?
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    Re: simplify

    Quote Originally Posted by Wilmer View Post
    Why have you got brackets in the denoninator?
    Probably just to specify which sign they're going to change first...
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