Question 303256
2t^2+20/t^2+6t-7 Devide 13t/t^2+6t-7

={{{(2t^2+20)/(t^2+6t-7)}}}÷{{{13t/(t^2+6t-7)}}}

={{{(2t^2+20)/(t^2+6t-7)}}}*{{{(t^2+6t-7)/(13t)}}}

cancel out t^2+6t-7

={{{(2(t^2+10))/(13t)}}}