Hello, the expression is simplified in a fraction of a second (sqrt(108)+10)^(1/3)-(sqrt(108)-10)^(1/3); to 2 by Maple. Best regards, Simon Plouffe Le ven. 10 juil. 2020 à 17:47, Henry Baker <hbaker1@pipeline.com> a écrit :

(sqrt(108)+10)^(1/3)-(sqrt(108)-10)^(1/3)

[I thought this was a pretty cool problem that came up on the Maxima email list.]

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