Solve the Equation After Making an Appropriate Substitution $3 x ^ { - 2 } - 4 x ^ { - 1 } - 4 = 0$

Multiple Choice

Solve the equation after making an appropriate substitution.
- $3 x ^ { - 2 } - 4 x ^ { - 1 } - 4 = 0$

A) $\left\{ - \frac { 3 } { 2 } , \frac { 1 } { 2 } \right\}$
B) $\left\{ - \frac { 2 } { 3 } , - 2 \right\}$
C) $\left\{ \frac { 3 } { 2 } , \frac { 1 } { 2 } \right\}$
D) $\left\{ - \frac { 2 } { 3 } , 2 \right\}$