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Question: Why cannot 'solve' find the solution of some trivial equation ?

Question:Why cannot 'solve' find the solution of some trivial equation ?

Chouette 20 Maple 2018
solve
March 25 2019
4

I would like to understand why the 'solve' command is unable to find any solution to the system of equation { x^2=2, x^3=2*sqrt(2) }  (which obviously has a unique solution x=sqrt(2) ). The syntax that I used is
> solve({x^2 = 2, x^3 = sqrt(2)^3}, [x]);
and the output is the empty list.

I suspect that this is related to the presence of the algebraic number sqrt(2). Does anyone have a better understanding ?

I am using Maple version 2018.0, build ID 1298750.

Thank you.
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