What is the result of isolating y2 in the equation below?
(x + 4)2 + y2 = 22

A.
y2 = x2 - 8x + 6

B.
y2 = 22 - x2

C.
y2 = -x2 - 8x + 16

D.
y2 = -x2 - 8x + 6

ALL y2 are y^2