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Math Help - Rearrange and solve

  1. #1
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    Smile Rearrange and solve

    x^2 = 4x + 1
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  2. #2
    Rhymes with Orange Chris L T521's Avatar
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    Quote Originally Posted by Joker37 View Post
    x^2 = 4x + 1
    Rearranging, you should get x^2-4x-1=0.

    To solve, you need to use the quadratic formula : x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}
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  3. #3
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    Can you show me how to solve the quadratic equation using completing the square?
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