Solve the Formula for the Specified Variable $A = 4 x h + 2 x ^ { 2 }$

Multiple Choice

Solve the formula for the specified variable.
- $A = 4 x h + 2 x ^ { 2 }$ ; for $h$ (surface area of a rectangular solid with a square base)

A) $h = \frac { A } { 2 x ^ { 2 } + 4 x }$
B) $h = \frac { A } { 4 x } - 2 x ^ { 2 }$
C) $h = \frac { A - 2 x ^ { 2 } } { 4 x }$
D) $h = A - 2 x ^ { 2 } - 4 x$