X 3 7x 2 12 0 July 8, 2019 16 32 64 128 X 3 7x 2 16x 12 0 X 3 7x 2 4x 12 0 X 3 2x 2 7x 12 0 X 4 2x 3 7x 2 8x 12 0 X 4 4x 3 7x 2 16x 12 0 X 4 2x 3 7x 2 20x 12 0 X 3 6x 2 7x 12 0 If two roots of x 3 7x 2 4x 12 0
