Solve the Equation by Completing the Square $$z ^ { 2 } + 10 z + 11 = 0$$

Multiple Choice

Solve the equation by completing the square.
- $$z ^ { 2 } + 10 z + 11 = 0$$

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