\[9x^{2} - 33 < 240 - 148 + 4x^{2}\]
\[5x^{2} - 125 < 0\]
\[x^{2} < 25\]
\[x^{2} = 25,\ \ \ x = \pm 5\]
\[Ответ:x \in ( - 5;\ \ 5)\text{.\ }\]