\[- 0,3\ и\ ( - 10)\]
\[x_{1} + x_{2} = - 0,3 - 10 = - 10,3;\ \]
\[x_{1} \cdot x_{2} = - 0,3 \cdot ( - 10) = 3.\]
\[Уравнение:\]
\[x^{2} + 10,3x + 3 = 0\]
\[\Longrightarrow 10x^{2} + 103x + 30 = 0.\]