Solve the Equation $$3 ^ { 2 x } + 3 ^ { x } - 6 = 0$$

Multiple Choice

Solve the equation.
- $$3 ^ { 2 x } + 3 ^ { x } - 6 = 0$$

A) $\{ \ln 6 \}$
B) $\left\{ \frac { \ln 2 } { \ln 3 } \right\}$
C) $\left\{ \frac { \ln 2 } { \ln 6 } \right\}$
D) $\left\{ \frac { \ln 3 } { \ln 2 } \right\}$