The quadratic  polynomial \(p(x) = x^2 + \left(m - 1\right)x + n\) satisfies \(p(5)\) and \(p(-4)\). If so,  find the value of \(m\) and \(n\).
 
Answer:
 
The value of \(m\) \(=\)
 
The value of \(n\) \(=\)