SOLUTION: Please simplify and multiply the square root. Thanks! (√18+√8)(√18-√8)

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Question 80451: Please simplify and multiply the square root. Thanks!
(√18+√8)(√18-√8)
Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
(SQRT18+SQRT8)(SQRT18-SRT8)
18+SQRT144-SQRT144-8
18-8=10 ANSWER