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OpenStudy (anonymous):
Given the polynomial 3x^3 + 5x^2-6x-8=0 what are the coordinates where it will cross the x axis?
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Directrix (directrix):
3x^3 + 5x^2-6x-8=y When y = 0, this function will cross the x-axis. 3x^3 + 5x^2-6x-8 = 0 Try the rational root theorem.
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