Solve
- $$\sqrt { 3 x - 6 } = \sqrt { 2 x + 6 }$$

Solve.
- $$\sqrt { 3 x - 6 } = \sqrt { 2 x + 6 }$$

A) $\varnothing$
B) $\{ 0 \}$
C) $\{ 12 \}$
D) $\{ - 12 \}$