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Math Help - finding the gcd of two polynomials

  1. #1
    Junior Member
    Joined
    Nov 2009
    Posts
    29

    -

    Find the greatest common divisor
    d(x) of

    f(x) = x^5 2x^4 3x^3 15x^2 + 10x + 25
    and
    g(x) = x^4 6x^2 24^x 35

    -----------

    using the polynomial long division

    f(x) / g (x)

    i ended up with 3x^3 + 135 x^2 -513x -815

    couldn't factorise further !

    ---

    the step after that

    x^4 6x^2 24^x 35 / 3x^3 + 135 x^2 -513x -815

    and the answer was -13275x^2 -53578x+9150



    but I don't know what should I do after that to get the gcd ,

    and I'm not sure if my work is alright ..


    any help ?

    thnx
    -
    Last edited by CaptainBlack; February 6th 2010 at 11:44 AM.
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