6 Determine the Most Efficient Method to Use When Solving $$( x + 10 ) ( x - 7 ) = 5$$

Multiple Choice

6 Determine the Most Efficient Method to Use When Solving a Quadratic Equation
- $$( x + 10 ) ( x - 7 ) = 5$$

A) $\left\{ \frac { - 3 \pm \sqrt { 309 } } { 2 } \right\}$
B) $\left\{ \frac { 3 \pm \sqrt { 309 } } { 2 } \right\}$
C) $\left\{ \frac { - 3 \pm i \sqrt { 309 } } { 2 } \right\}$
D) $\left\{ \frac { 3 \pm \mathrm { i } \sqrt { 309 } } { 2 } \right\}$