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Math Help - Help on a system of equations

  1. #1
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    Joined
    Nov 2012
    From
    Milan
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    Help on a system of equations

    Hello to all, I'm having problem solving this simple system:

    1) 3X + 4Y = 25
    2) X^2 + Y^2 = 25

    may someone help me?

    Thanks
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  2. #2
    Newbie
    Joined
    Nov 2012
    From
    Milan
    Posts
    2

    Re: Help on a system of equations

    Solved it, just few second more of thinking....

    3X + 4Y = X^2 + Y^2

    X^2 + Y^2 - 4Y - 3X = 0

    X(X - 3) + Y(Y - 4) = 0

    Thus the solutions are X=3, Y=4
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