Question 259894
Add:
{{{sqrt(9y+27)+sqrt(y+3)}}} Rewrite the first term as:
{{{sqrt(3^2*y+3^2*3)}}} Take the square root the {{{3^2}}}
{{{3*sqrt(y+3)}}} so nopw you have:
{{{3*sqrt(y+3)+sqrt(y+3) = highlight(4*sqrt(y+3))}}}