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The circle x^2 + y^2 + Ax + By + C = 0 passes through the origin, and has the same center as the circle x^2 + y^2 - 4x + 6y - 3 = 0.  What is A + B + C?

 Dec 16, 2019
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The circle x^2 + y^2 + Ax + By + C = 0 passes through the origin, and has the same center as the circle x^2 + y^2 - 4x + 6y - 3 = 0.  What is A + B + C?

laugh

 Dec 16, 2019

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