Solve the Equation by Completing the Square $$x ^ { 2 } - 12 x + 45 = 0$$

Multiple Choice

Solve the equation by completing the square.
- $$x ^ { 2 } - 12 x + 45 = 0$$

A) $- 6 \pm 3 i$
B) 9,3
C) $12 \pm 6 i$
D) $6 \pm 3 \mathrm { i }$