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Status: Waiting for your answers.

Given:     f(x) = 8x3 + 29x2 + 31x + 10 x -5 -4 -3 -2 -1 0 1 2 3 4 5 y -420 -162 -38 0 0 10 78 252 580 1110 1890     Find: Determine the third zero (rounded to the nearest hundredth) using the known zeros and synthetic division.   Zero: