\[3x^{2} - 5x - 2 = 0\]
\[D = 25 + 24 = 49\]
\[x_{1} = \frac{5 + 7}{6} = 2;\]
\[x_{2} = \frac{5 - 7}{6} = - \frac{2}{6} = - \frac{1}{3}.\]
\[Ответ:\ x = - \frac{1}{3};x = 2.\]