SOLUTION: Find the center and radius of the following circle: x^2+y^2+4x-6y-23=0

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Question 875330: Find the center and radius of the following circle:
x^2+y^2+4x-6y-23=0
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Find the center and radius of the following circle:
x^2+y^2+4x-6y-23=0
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Complete the square for x and y.
x%5E2%2By%5E2%2B4x-6y-23=0
x%5E2%2By%5E2%2B4x-6y+=+23
x%5E2%2B4x%2B4+%2B+y%5E2-6y+=+23%2B4
x%5E2%2B4x%2B4+%2B+y%5E2-6y%2B9+=+23%2B4%2B9
Can you finish?