SOLUTION: Multiply. (7+√8)(7-√(8))= (Simplify your answer. Type an exact answer, using radicals as needed.)

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Question 468542: Multiply.
(7+√8)(7-√(8))=
(Simplify your answer. Type an exact answer, using radicals as needed.)
Answer by Tatiana_Stebko(1539) About Me  (Show Source):
You can put this solution on YOUR website!
%287%2Bsqrt%288%29%29%287-sqrt%288%29%29=7%5E2-%28sqrt%288%29%29%5E2=49-8=41
Formula (a-b)(a+b)=a^2-b^2