Question 387327
{{{sqrt(11y)(sqrt(y)-6sqrt(11))}}}
Multiply inside the brackets
{{{sqrt(11y)sqrt(y)-sqrt(11y)6sqrt(11)}}}
Which is
{{{sqrt(11y^2)-6sqrt(121y)}}}
extract the perfect squares
{{{y*sqrt(11)-6*11*sqrt(y)}}}
:
{{{y*sqrt(11)-66*sqrt(y)}}}