X 3 1 4x 0 July 8, 2019 16 32 64 128 2 x 3 4x 1 0 X 3 3x 2 4x 1 0 X 4 4x 3 4x 1 0 X 2 3 4x 1 8 0 X 2 3 4x 1 3 5 0 X 4 4x 3 x 2 4x 1 0 X 4 2x 3 3x 2 4x 1 0 X 3 2x 2 4x 1 0 X 3 5x 2 4x 1 0 X 4 4x 3 6x 2 4x 1 0 X 4 4x 3 2x 2 4x 1 0 X 4 4x 3 3x 2 4x 1 0 X 3 4x 1 0 by regula falsi method X 3 4x 1 0 rational root theorem