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There need to be squares in there for x and y - I think you're asking for the centre of the circle with equation:

(x + 5)2 + (y - 3)2 = 56

in which case the centre is (-5, 3)

A circle with centre (xo, yo) and radius r has equation of the form:

(x - xo)2 + (y - yo)2 = r2

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14y ago

What else can I help you with?