Find the Least Common Denominator $$\frac { 2 } { x ^ { 2 } + 3 x - 18 } - \frac { 8 } { x ^ { 2 } + 2 x - 15 }$$

Multiple Choice

Find the least common denominator.
- $$\frac { 2 } { x ^ { 2 } + 3 x - 18 } - \frac { 8 } { x ^ { 2 } + 2 x - 15 }$$

A) (x + 6) (x - 3) (x + 5)
B) (x + 6) (x - 3)
C) (x - 6) (x + 3) (x + 5)
D) (x - 3) (x + 5)