\[2x^{2} + 13x + 6 = 0\]
\[D = 169 - 48 = 121\]
\[x_{1} = \frac{- 13 + 11}{4} = \ - \frac{2}{4} = - 0,5;\]
\[x_{2} = \frac{- 13 - 11}{4} = - 6.\]
\[Ответ:x = - 6;\ \ x = - 0,5.\]