Solve the Equation by Completing the Square $x ^ { 2 } + 18 x + 58 = 0$

Multiple Choice

Solve the equation by completing the square.
- $x ^ { 2 } + 18 x + 58 = 0$

A) $- 18 + \sqrt { 58 }$
B) $9 + \sqrt { 23 }$
C) $- 9 - \sqrt { 23 } , - 9 + \sqrt { 23 }$
D) $9 - \sqrt { 58 } , 9 + \sqrt { 58 }$