Factor as Completely as Possible $$4 x ^ { 2 } = 9$$

Multiple Choice

Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.
- $$4 x ^ { 2 } = 9$$

A) $x = \frac { 3 } { 4 } , - \frac { 3 } { 4 }$
B) $x = \frac { 5 } { 36 }$
C) $x = \frac { 3 } { 2 } , - \frac { 3 } { 2 }$
D) $x = \frac { 5 } { 6 }$