\[x^{2} - 2x - 35 = 0\]
\[D_{1} = 1 + 35 = 36\]
\[x_{1} = 1 + 6 = 7;\]
\[x_{2} = 1 - 6 = - 5.\]
\[Ответ:x = - 5;x = 7.\]