\[\left| x^{2} + 5x \right| > 6\]
\[\left\{ \begin{matrix} x^{2} + 5x < - 6 \\ x^{2} + 5x > 6\ \ \ \\ \end{matrix}\text{\ \ \ \ \ \ \ \ \ \ \ \ } \right.\ \]
\[\left\{ \begin{matrix} x^{2} + 5x + 6 < 0 \\ x^{2} + 5x - 6 > 0 \\ \end{matrix} \right.\ \]