Find the Following Limit, If It Exists $$\lim _ { x \rightarrow - 3 } \frac { 9 - 6 x - 3 x ^ { 2 } } { 3 + x }$$

Multiple Choice

Find the following limit, if it exists.
$$\lim _ { x \rightarrow - 3 } \frac { 9 - 6 x - 3 x ^ { 2 } } { 3 + x }$$

A) $- 6$
B) 12
C) 6
D) $- 12$
E) The limit does not exist.