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4 December, 17:24

What are the coordinates of the center and length of the radius of the circle whose equation is x2 + 6x + y2 - 4y = 23?

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  1. 4 December, 17:53
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    Step-by-step explanation:

    x2+6x+9-9+y2-4y+4-4=23

    (x+3) 2-9 + (y-2) 2-4=23

    (x+3) 2 + (y-2) 2=36

    center: (-3,2)

    r:6
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