\[x_{1} = 2\ \ и\ \ x_{2} = 5\]
\[x_{1} + x_{2} = 2 + 5 = 7\]
\[x_{1} \cdot x_{2} = 2 \cdot 5 = 10\]
\[Уравнение:\ \ \ \ \]
\[x² - 7x + 10 = 0.\]