Solve the Problem $f ( x ) = x ^ { 2 } + 12 x + 29$

Multiple Choice

Solve the problem.
-Let $f ( x ) = x ^ { 2 } + 12 x + 29$ . Find all values $x$ for which $f ( x ) = 2$ .

A) $- 3,9$
B) $3 , - 9$
C) $- 9 , - 3$
D) 3,9