Question 25547
These are like combining like terms since what is inside the radicals are the same.


{{{2*sqrt(5) + 2*sqrt(5)}}}
= {{{4*sqrt(5)}}}


{{{-3*sqrt(2) + 2*sqrt(2)}}}
= {{{-1*sqrt(2)}}} or {{{-sqrt(2)}}}


R^2 at SCC