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Math Help - Square root equation

  1. #1
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    Square root equation



    Not sure where to even star.
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  2. #2
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    Re: Square root equation

    Maybe square both sides X3
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  3. #3
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    Re: Square root equation

    I would try squaring both sides first...
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  4. #4
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    Re: Square root equation


















    Then I'm stuck.
    Last edited by Remriel; June 19th 2012 at 03:46 PM.
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    Re: Square root equation

    Quote Originally Posted by Remriel View Post


    Then I'm stuck.

    The "128" coefficient should be "256." Check your expansion.


    Let y = \sqrt{x} (we'll assume x \ge 0...if x < 0 then...).
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  6. #6
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    Re: Square root equation





    Last edited by Remriel; June 19th 2012 at 04:16 PM.
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  7. #7
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    Re: Square root equation

    Looks like no real solutions
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  8. #8
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    Re: Square root equation

    Quote Originally Posted by pickslides View Post
    Looks like no real solutions
    That is correct. See this.
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  9. #9
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    Re: Square root equation

    Figures. Thanks.
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