6 Determine the Most Efficient Method to Use When Solving $$\frac { x ^ { 2 } } { 10 } + x + \frac { 7 } { 5 } = 0$$

Multiple Choice

6 Determine the Most Efficient Method to Use When Solving a Quadratic Equation
- $$\frac { x ^ { 2 } } { 10 } + x + \frac { 7 } { 5 } = 0$$

A) $\{ - 5 \pm \sqrt { 11 } \}$
B) $\{ 5 + \sqrt { 11 } \}$
C) $\{ 5 \pm \sqrt { 14 } \}$
D) $\{ - 10 + \sqrt { 14 } \}$