SOLUTION: solve (round 3 decimals) x^3-9x^2-4=0

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Question 889891: solve (round 3 decimals)
x^3-9x^2-4=0
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
This does have a solution but it is not a rational value. Using synthetic division to check for the "possible" roots according to Rational Roots Theorem gives negative nonzero remainders. The solution is an irrational value near 9.05.