\[- 4x^{2} + 13x - 3 \geq 0\]
\[- 4x^{2} + 13x - 3 = 0\]
\[D = 169 - 48 = 121\]
\[x_{1} = \frac{- 13 + 11}{- 8} = \frac{1}{4} = 0,25\]
\[x_{2} = \frac{- 13 - 11}{- 8} = 3\]
\[Ответ:1;2;3.\ \]