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April 20, 2014

April 20, 2014

Posted by **tuhituhi** on Tuesday, April 9, 2013 at 8:37am.

- maths -
**Steve**, Tuesday, April 9, 2013 at 10:45amjust plug and chug:

x = ∛2+∛4

x^3 = (∛2+∛4)^3

= 2 + 3∛16 + 3∛32 + 4

= 2 + 6∛2 + 6∛4 + 4

= 6 + 6∛2 + 6∛4

now subtract 6x to get 6

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