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Math Help - divisibility of quadratic expression

  1. #1
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    divisibility of quadratic expression

    find all values of x which make

    5x^2+6x+1 divides by 23
    Last edited by CaptainBlack; May 16th 2011 at 02:49 AM.
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  2. #2
    Senior Member BAdhi's Avatar
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    Can't you use the fact that 5x^2+6x+1=(5x+1)(x+1)
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