(3-2 times the root sign 2) open the cubic root Simplification I think it should be very simple What's groan's answer in 1999,

Answer: 3-2 root 2 = (root 2) - 2 times root 2 + 1 ^ 2 = ((root 2-1) ^ 2). Open cubic root = (root 2-1) ^ 2 / 3
It should be the simplest

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