20 POINTS
Rewrite the following equation in the center-radius form of the equation of a circle.
x2 + 16x + y2 + 18y = -120

A.
(x + 8)2 + (y + 10)2 = 25
B.
(x + 10)2 + (y + 8)2 = 25
C.
(x - 9)2 + (y - 8)2 = 25
D.
(x + 8)2 + (y + 9)2 = 25