Question: Solve the given polynomial equation. Use the Rational Zero Theorem, Descartes's rule of signs, and possibly the graph of the polynomial function shown by a

Solve the given polynomial equation. Use the Rational Zero Theorem, Descartes's rule of signs, and possibly the graph of the polynomial function shown by a graphing utility as an aid in obtaining the first root.

4x^3-12x^2-11x-2=0

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