Solve the Equation by the Square Root Property $$( 2 x + 2 ) ^ { 2 } = 16$$

Multiple Choice

Solve the equation by the square root property.
- $$( 2 x + 2 ) ^ { 2 } = 16$$

A) $\{ - 9,9 \}$
B) $\{ 0,1 \}$
C) $\{ 1,3 \}$
D) $\{ - 3,1 \}$