Question 327488
{{{(sqrt(6)-5)/(sqrt(6)+5)= ((sqrt(6)-5)/(sqrt(6)+5))* ((sqrt(6)-5)/(sqrt(6)-5))}}}
{{{(sqrt(6)-5)/(sqrt(6)+5)= (6-5sqrt(6)-5sqrt(6)+25)/(6-5sqrt(6)+5sqrt(6)-25)}}}
{{{(sqrt(6)-5)/(sqrt(6)+5)= (31-10sqrt(6))/(-19)}}}
{{{(sqrt(6)-5)/(sqrt(6)+5)= highlight((10sqrt(6)-31)/(19))}}}