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Problem A. 651. (October 2015)

A. 651. Determine all real polynomials \(\displaystyle P(x)\) that satisfy

\(\displaystyle P\big(x^3-2\big)=P{(x)}^3-2. \)

CIIM 2015, Mexico

(5 pont)

Deadline expired on November 10, 2015.


11 students sent a solution.
5 points:Lajkó Kálmán, Szabó 789 Barnabás, Williams Kada.
2 points:4 students.
1 point:2 students.
0 point:2 students.

Problems in Mathematics of KöMaL, October 2015