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Compute \(\large \left( 2\sqrt [ 3 ]{ 5 } -\sqrt [ 3 ]{ 2 } \right) \left( 4\sqrt [ 3 ]{ 25 } +2\sqrt [ 3 ]{ 10 } +\sqrt [ 3 ]{ 4 } \right)\)

 Jul 27, 2020
 #1
avatar+37146 
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Expanding:

8 cbrt125    + 4 cbrt 50  2 cbrt 20      -   4 cbrt 50 - 2 cbrt20 - cbrt 8  =

8(5) - 2   = 38

 Jul 27, 2020

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