SOLUTION: I need to find the center and radius by hand and having difficulty; x^2-10x+y^2+6y=15

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Question 1077350: I need to find the center and radius by hand and having difficulty;
x^2-10x+y^2+6y=15

Answer by math_helper(2461)   (Show Source): You can put this solution on YOUR website!
can be rewritten by completing the squares:


Compare this to the general form of the equation of a circle
where (, ) = coordinates of the center
and you get

center at ( , ) and

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