Ответ:
\[y = x^{2} + px - 24;\ \ \ \ (4;0).\]
\[16 + 4p - 24 = 0\]
\[4p - 8 = 0\]
\[4p = 8\]
\[p = 2\]
\[y = x^{2} + 2x - 24\]
\[x_{b} = \frac{- 2}{2} = - 1\]
\[Ответ:\ p = 2;\ \ x = - 1.\]
\[y = x^{2} + px - 24;\ \ \ \ (4;0).\]
\[16 + 4p - 24 = 0\]
\[4p - 8 = 0\]
\[4p = 8\]
\[p = 2\]
\[y = x^{2} + 2x - 24\]
\[x_{b} = \frac{- 2}{2} = - 1\]
\[Ответ:\ p = 2;\ \ x = - 1.\]