\[x² - 7x - 30 > 0\]
\[x^{2} - 7x - 30 = 0\]
\[x_{1} + x_{2} = 7,\ \ x_{1} = 10\]
\[x_{1} \cdot x_{2} = - 30,\ \ x_{2} = - 3\]
\[Ответ:( - \infty;\ - 3) \cup (10; + \infty).\]