Solve $( x + 1 ) ^ { 2 } - 7 = 0$

Multiple Choice

Solve $( x + 1 ) ^ { 2 } - 7 = 0$ by square root property.

A) $\{ - 1 \pm 4 \sqrt { 5 } \}$
B) $\{ 1 \pm 4 \sqrt { 5 } \}$
C) $\{ 1 \pm \sqrt { 7 } \}$
D) $\{ - 1 \pm \sqrt { 7 } \}$