\[x² - 2x - 35 = 0\]
\[\left\{ \begin{matrix} x_{1} + x_{2} = 2\ \ \ \\ x_{1} \cdot x_{2} = - 35 \\ \end{matrix} \right.\ \]
\[\Longrightarrow x_{1} = - 5;\ \ x_{2} = 7.\]