Ответ:
\[3x^{2} + 8x - 3 = 0\]
\[D_{1} = 16 + 9 = 25\]
\[x_{1} = \frac{- 4 + 5}{3} = \frac{1}{3};\]
\[x_{2} = \frac{- 4 - 5}{3} = - 3.\]
\[Ответ:x = - 3;\ \ x = \frac{1}{3}.\]
\[3x^{2} + 8x - 3 = 0\]
\[D_{1} = 16 + 9 = 25\]
\[x_{1} = \frac{- 4 + 5}{3} = \frac{1}{3};\]
\[x_{2} = \frac{- 4 - 5}{3} = - 3.\]
\[Ответ:x = - 3;\ \ x = \frac{1}{3}.\]