Question 334820
{{{sqrt(y) = 5+sqrt(2)/2}}}
{{{y=(5+sqrt(2)/2)^2}}}
{{{y=(5+sqrt(2)/2)(5+sqrt(2)/2)}}}
Use the FOIL method,
{{{y=25+(5/2)sqrt(2)+(5/2)sqrt(2)+2/4}}}
{{{highlight(y=51/2+5sqrt(2))}}}