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Status: Waiting for your answers.

Given:     f(x) = 7x3 + 18x2 - 13x - 12 x -5 -4 -3 -2 -1 0 1 2 3 4 5 y -372 -120 0 30 12 -12 0 90 300 672 1248     Find: Determine the third zero (rounded to the nearest hundredth) using the known zeros and synthetic division.   Zero: