Solve the Equation for X $$\left| \begin{array} { l l } 3 & x \\x & 4\end{array} \right| = - 4$$

Multiple Choice

Solve the equation for x.
- $$\left| \begin{array} { l l } 3 & x \\x & 4\end{array} \right| = - 4$$

A) $\{ - 4,4 \}$
B) $\left\{ \frac { 4 } { 3 } \right\}$
C) $\{ 16 \}$
D) $\varnothing$