\( \Rightarrow \) \(x + 10 = 36 + x - 2 - 12\sqrt {x - 2} \)
\( \Rightarrow \) \(2 = \sqrt {x - 2} \) \( \Rightarrow \) \(4 = x - 2\) \( \Rightarrow \) \(x = - 6\)
This value satisfies the given equation.
\(\therefore x=6\).