\[\left\{ \begin{matrix} x^{2} + 6x - 40 < 0 \\ x^{2} + 3x - 18 \geq 0 \\ \end{matrix} \right.\ \]
\[Ответ:x \in ( - 10;\ - 6\rbrack\ \cup \lbrack 3;\ \ 4).\]