\[x^{2} - 2x - 24\]
\[x_{1} + x_{2} = 2;\ \ x_{1} \cdot x_{2} = - 24\]
\[x_{1} = 6;\ \ \ x_{2} = - 4.\]
\[x^{2} - 2x - 24 = (x + 4)(x - 6).\]