Answer
$n=1,n=-6$ and $n=-5$.
Work Step by Step
The given equation is
$\Rightarrow (n-1)(n+6)(n+5)=0$
Use zero product property.
$\Rightarrow n-1=0$ or $n+6=0$ or $n+5=0$
Solve for $n$.
$\Rightarrow n=1$ or $n=-6$ or $n=-5$
The solutions are $n=1,n=-6$ and $n=-5$.
