SOLUTION: Please help me solve this problem: 5 radical 2 (3 radical 12 minus 4 radical 2)

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Question 277631: Please help me solve this problem: 5 radical 2 (3 radical 12 minus 4 radical 2)
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
5sqrt(2)(3sqrt(12)-4sqrt(2))
5sqrt(2)(3sqrt(4*3)-4sqrt(2))
5sqrt(2)(6sqrt(3)-4sqrt(2))
30sqrt(6)-20sqrt(4)
30sqrt(6)-40
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Ed