Question 444690
{{{5/(n+5) = 1/(n^2+5n)}}} ==>{{{ (5n)/(n^2 + 5n) = 1/(n^2+5n)}}}  ==> {{{(5n - 1)/(n^2 + 5n) = 0}}} ==> n = 1/5.  (This solution doesn't make the denominator equal to 0.)