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Math Help - Another Question, regarding Quadratic Formula??

  1. #1
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    Another Question, regarding Quadratic Formula??

    Attachment 3275
    Is it correct to use the quadratic formula for this derivative of this? I am not getting the right answer of 2+- 2sqroot3

    Help would be much appreciated.

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  2. #2
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    Re: Another Question, regarding Quadratic Formula??

    Make sure you get the right signs for a, b and c. This should give:

    x=\frac{-12\pm\sqrt{144+(4)(3)(12)}}{-6}

    x=2\pm2\sqrt{2}
    Last edited by TwoPlusTwo; September 29th 2013 at 03:29 PM.
    Thanks from topsquark
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