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29 January, 14:00

Find all real solutions of the polynomial equation. (enter your answers as a comma-separated list.) z^4 + z^3 + z^2 + 3z - 6 = 0

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  1. 29 January, 14:41
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    I can't figure out a factor for this but graphing it shows x = - 2 and + 1 as real roots.
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