Use the Quadratic Formula to Solve the Equation $$x ^ { 2 } + 16 x + 64 = 0$$

Multiple Choice

Use the quadratic formula to solve the equation.
- $$x ^ { 2 } + 16 x + 64 = 0$$

A) $\{ - 8 \}$
B) $\{ 8 - \mathrm { i } , 8 + \mathrm { i } \}$
C) $\{ - 8,8 \}$
D) $\{ 8 \}$