Solve the Equation by Completing the Square $$x ^ { 2 } + 9 = - x$$

Multiple Choice

Solve the equation by completing the square. Express any complex numbers using i notation.
- $$x ^ { 2 } + 9 = - x$$

A) $x = \frac { 1 \pm \sqrt { 35 } } { 2 }$
B) $x = \frac { - 1 \pm i \sqrt { 35 } } { 2 }$
C) $x = \frac { 1 \pm i \sqrt { 35 } } { 2 }$
D) $x = \frac { - 1 \pm \sqrt { 35 } } { 2 }$