Solve the Equation by Completing the Square $$a ^ { 2 } + 14 a + 45 = 0$$

Multiple Choice

Solve the equation by completing the square.
- $$a ^ { 2 } + 14 a + 45 = 0$$

A) $- 5 , - 9$
B) $54 , - 9$
C) 5,9
D) $\sqrt { 45 } , - \sqrt { 45 }$