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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- Nov 12th 2012, 04:20 AMRoman10Help 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 - Nov 12th 2012, 04:42 AMRoman10Re: 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