\[\frac{x^{2} + 9}{x^{2} - 1} = \frac{x - 2^{\backslash x - 1}}{x + 1} - \frac{5^{\backslash x + 1}}{1 - x},\]
\[x \neq 1,\ \ x \neq - 1\]
\[x^{2} - x^{2} - 2x = 7 - 9\]
\[- 2x = - 2\]
\[2x = 2\]
\[x = 1 \Longrightarrow не\ подходит.\]
\[Ответ:нет\ решения.\]