Verified Answer :

dalendrk

An equation of a circle:

(x - a)² + (y - b)² = r²

(a; b) - a coordinates of a center
r - a radius

r = 7; (3; -2) ⇒ a = 3 and b = -2

subtitute

(x - 3)² + (y - (-2))² = 7²

Answer: (x - 3)² + (y + 2)² = 49

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