\[ (x - 4)(x - 6) - (x - 2)(x + 2) = -2 \]
\[ (x^2 - 6x - 4x + 24) - (x^2 - 4) = -2 \]
\[ x^2 - 10x + 24 - x^2 + 4 = -2 \]
\[ -10x + 28 = -2 \]
\[ -10x = -2 - 28 \]
\[ -10x = -30 \]
\[ x = \frac{-30}{-10} \]
\[ x = 3 \]
Ответ: $$x = 3$$