Find the center of the circle with equation $x^2 - 6x + y^2 + 2y = 9$.
Question:
Find the center of the circle with equation $x^2 - 6x + y^2 + 2y = 9$.
Answer:
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(3, -1)
Find the center of the circle with equation $x^2 - 6x + y^2 + 2y = 9$.
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