Decide What Values of the Variable Cannot Possibly Be Solutions $$\left( x ^ { 2 } - 3 \right) ^ { 1 / 2 } - ( x + 3 ) ^ { 1 / 2 } = 0$$

Multiple Choice

Decide what values of the variable cannot possibly be solutions for the equation.
- $$\left( x ^ { 2 } - 3 \right) ^ { 1 / 2 } - ( x + 3 ) ^ { 1 / 2 } = 0$$

A) $\{ - 3 \}$
B) $\{ 2,3 \}$
C) $\{ - 2,3 \}$
D) $\{ - 3,3 \}$