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Thread: Factoring a negative out of a radical

  1. #1
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    Factoring a negative out of a radical

    How do you factor the Minus Sign out of the radical
    <br />
1-\sqrt{1-x}<br />
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  2. #2
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    Quote Originally Posted by BadMaterial View Post
    How do you factor the Minus Sign out of the radical
    <br />
1-\sqrt{1-x}<br />
    I think you are looking to do this

    1-\sqrt{1-x}

    1-\sqrt{-1(x-1)}

    If you know complex numbers then...

    1-\sqrt{-1}\sqrt{(x-1)}

    1-i\sqrt{(x-1)}
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