Find the Excluded Values (n^2+6n+5)/(n+1)

$\frac{n^{2} + 6 n + 5}{n + 1}$

Set the denominator in $\frac{n^{2} + 6 n + 5}{n + 1}$ equal to $0$ to find where the expression is undefined.

$n + 1 = 0$