If x=(sqrt(111)-1)/2 , then find the value of 2x^5+2x^4-53x^3-57x+54

If x=(sqrt(111)-1)/2 , then find the value of 2x^5+2x^4-53x^3-57x+54

in Pre-Algebra Answers by Level 1 User (300 points)

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1 Answer

With this much figuring, I could be wrong, but I don't think so...

by Level 13 User (103k points)

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