SOLUTION: Simplify the radical expression. (square root 3 +5)(square root 3 -3) Thanks for any help.

Algebra ->  Radicals -> SOLUTION: Simplify the radical expression. (square root 3 +5)(square root 3 -3) Thanks for any help.      Log On


   

Question 87168: Simplify the radical expression.
(square root 3 +5)(square root 3 -3)
Thanks for any help.
Answer by tutorcecilia(2152) About Me  (Show Source):
You can put this solution on YOUR website!
%28%28sqrt%283%29+%2B5%29%28sqrt%283%29+-3%29%29 [use the FOIL method to multiply]
.
%28%283+-+3sqrt%283%29+%2B5sqrt%283%29+-15%29%29[combine like-radicals]
.
%28%283++%2B2sqrt%283%29+-15%29%29 [combine like-terms (constants)]
.
%28%28-12+%2B2sqrt%283%29+%29%29