Find the radius of the circle with equation $x^2 - 6x + y^2 + 2y + 6 = 0$.
Question:
Find the radius of the circle with equation $x^2 - 6x + y^2 + 2y + 6 = 0$.
Answer:
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Find the radius of the circle with equation $x^2 - 6x + y^2 + 2y + 6 = 0$.
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