\[\mathbf{\ }\frac{x - 8}{x + 3} > 0\]
\[x - 8 = 0\ \ \ \ \ \ x + 3 = 0\]
\[x = 8\ \ \ \ \ \ \ \ \ \ \ \ \ x = - 3\]
\[Ответ:\ \ x \in ( - \infty; - 3) \cup (8;\ + \infty)\mathbf{.}\]