Posted by Suzy on Friday, May 13, 2011 at 1:18am.
do you mean "square root" for the "radical"? if so,
2[sqrt(8) + sqrt(5)]
note that we cannot combine the radical terms since their radicands (term inside the radical sign) are not equal. but we can rewrite this as
2[2*sqrt(2) + sqrt(5)]
4*sqrt(2) + 2*sqrt(5)
hope this helps~ :)
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