Вопрос:

Ответ:

\[5y² + y - 3 = 0\]

\[y^{2} + \frac{y}{5} - \frac{3}{5} = 0\]

\[y_{1} + y_{2} = - \frac{1}{5}\]

\[y_{1} \cdot y_{2} = - \frac{3}{5}.\]