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Possible Rational Zeros

-6, -3, -2, -1.5, -1, -0.5, 0.5, 1, 1.5, 2, 3, 6

Every candidate value the rational root theorem allows, plus-or-minus each factor of the constant term over each factor of the leading coefficient.

Actual Rational Zeros

-2, 0.5

Which of the possible candidates are actually zeros of the polynomial, confirmed by plugging each one in.

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