x^27 - 90 x^24 + 1089 x^21 - 62130 x^18 + 105507 x^15 - 16537410 x^12 - 30081453 x^9 - 1886601330 x^6 + 73062900 x^3 - 6859000 for x=cbrt(2)+cbrt(3)+cbrt(5)

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