Solve Give Exact Solutions $$( x + 6 ) ^ { 2 } = 20$$

Multiple Choice

Solve. Give exact solutions.
- $$( x + 6 ) ^ { 2 } = 20$$

A) $2 \sqrt { 5 } - 6,2 \sqrt { 5 } + 6$
B) $- 6 + 2 \sqrt { 10 } , - 6 - 2 \sqrt { 10 }$
C) $2 \sqrt { 5 } , - 2 \sqrt { 5 }$
D) $- 6 + 2 \sqrt { 5 } , - 6 - 2 \sqrt { 5 }$