X 2 28x 3 0 July 8, 2019 16 32 64 128 X 3 3x 2 28x 0 X 3 11x 2 28x 0 X 3 3x 2 28x 60 0 X 3 10x 2 28x 24 0 X ^ 2 - 3x - 28 = 0