Determine the Most Efficient Method to Use When Solving a Quadratic

Multiple Choice

Determine the Most Efficient Method to Use When Solving a Quadratic Equation
Solve the equation by the method of your choice.
- $7 x ^ { 2 } = - 12 x - 2$

A) $\left\{ \frac { - 6 - \sqrt { 22 } } { 7 } , \frac { - 6 + \sqrt { 22 } } { 7 } \right\}$
B) $\left\{ \frac { - 6 - \sqrt { 22 } } { 14 } , \frac { - 6 + \sqrt { 22 } } { 14 } \right\}$
C) $\left\{ \frac { - 12 - \sqrt { 22 } } { 7 } , \frac { - 12 + \sqrt { 22 } } { 7 } \right\}$
D) $\left\{ \frac { - 6 - \sqrt { 2 } } { 7 } , \frac { - 6 + \sqrt { 2 } } { 7 } \right\}$