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Math Help - Solving x^2 + ax == c (mod x)

  1. #1
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    Feb 2010
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    Solving x^2 + ax == c (mod x)

    Hi

    Could anyone point me in the direction of solving the following congruency for x?

    x^2 + ax == c (mod x)

    It's a problem I've come accross in my messing around and although I've done 2nd year maths at university (not that that counts too much ) I can't get very far in solving for x...

    Thanks very much for the help!

    Wes
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  2. #2
    Junior Member
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    Jul 2009
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    Quote Originally Posted by litheumn View Post
    Hi

    Could anyone point me in the direction of solving the following congruency for x?

    x^2 + ax == c (mod x)

    I can't get very far in solving for x...
     x^2 +ax \equiv c mod x

     x(x +a) \equiv c mod x

     x \equiv 0 mod x

    Hope this helps
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