\[2x^{2} + 3x - 5 = 0\]
\[D = 9 + 40 = 49\]
\[x_{1} = \frac{- 3 + 7}{4} = 1;\]
\[x_{2} = \frac{- 3 - 7}{4} = - \frac{10}{4} = - 2,5.\]
\[Ответ:x = - 2,5;x = 1.\]