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Status: Waiting for your answers.

Given:     f(x) = 7x3 - 45x2 + 42x + 40 x -5 -4 -3 -2 -1 0 1 2 3 4 5 y -2170 -1296 -680 -280 -54 40 44 0 -50 -64 0     Find: Determine the third zero (rounded to the nearest hundredth) using the known zeros and synthetic division.   Zero: