\[\frac{- 45}{6x + 5} > 0\]
\[- 45 < 0 \Longrightarrow 6x + 5 < 0 \Longrightarrow\]
\[\Longrightarrow x < - \frac{5}{6}\]
\[Ответ:\left( - \infty;\ - \frac{5}{6} \right).\]