Use the Square Root Property to Solve the Equation $( x + 9 ) ^ { 2 } = 12$

Multiple Choice

Use the square root property to solve the equation.
- $( x + 9 ) ^ { 2 } = 12$

A) $- 9 - 2 \sqrt { 6 } , - 9 + 2 \sqrt { 6 }$
B) $- 2 \sqrt { 3 } , 2 \sqrt { 3 }$
C) $2 \sqrt { 3 } - 9,2 \sqrt { 3 } + 9$
D) $- 9 - 2 \sqrt { 3 } , - 9 + 2 \sqrt { 3 }$