SOLUTION: Can someone help me solve this step by step? Simplify the expression. [sqrt(12)-sqrt(2][sqrt(12)+sqrt(2)]

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Question 795711: Can someone help me solve this step by step?
Simplify the expression.
[sqrt(12)-sqrt(2][sqrt(12)+sqrt(2)]
Answer by waynest(281) About Me  (Show Source):
You can put this solution on YOUR website!
(sqrt12 - sqrt2)(sqrt12 + sqrt2)
sqrt144 +sqrt24 - sqrt24 - sqrt4
sqrt144 - sqrt4
sqrt144 = 12 and sqrt4 = 2
12 - 2 = 10