Question

How do you simplify `(n-5)/(n^2-25)`?

Answer 1

`= (n-5)/((n-5)(n+5)) = 1/(n+5) = (n+5)^-1.`

Explanation:

`= (n-5)/((n-5)(n+5)) = 1/(n+5) = (n+5)^-1.`

graph{(y-(x+5)^(-1))=0 [-10, 10, -5, 5]}