Task: Question Answering
Input (English): If \(m\) and \(n\) are constants, what is the value of \(n\) if the equation \((x + 9)(x + m) = x^2 + 4mx + n\) is true for all values of \(x\)?
(A)9 (B)18 (C)27 (D)36 (E)48
Output (English): C