Question 1190849

assuming you have:

{{{(5n+5)/(5n^2+35n-40 )+ 7n/3n   }}}


={{{5(n+1)/5(n^2+7n-8 )+ 7/3 }}}


={{{(n+1)/(n^2+7n-8 )+ 7/3 }}}


={{{(n+1)/((n + 8) (n - 1))+ 7/3 }}}


={{{(n+1+ 7(n + 8) (n - 1))/(3(n + 8) (n - 1)) }}}


={{{(7n^2 + 52n - 53)/(3 (n - 1) (n + 8))}}}