Question 394624
{{{lim (x->9, (x^2 - 9x)/(2sqrt(x) - 6)) = lim(x->9, (x(x-9))/(2(sqrt(x) - 3)))}}}
={{{lim(x->9, (x(sqrt(x) - 3)(sqrt(x) + 3))/(2(sqrt(x) - 3)))}}}
={{{lim(x->9, (x(sqrt(x) + 3))/2)))}}}
={{{9*(3+3)/2}}} = 9*6/2 = 27.