X 4 x 3 x 2 1 July 8, 2019 16 32 64 128 X 4 x 3 x 2 1 0 X 4 x 3 3x 2 1 X 4 x 3 x 2 x 1 0 solution X 4 x 3 x 2 x 1 factor X 4 x 3 4x 2 x 1 X 4 x 3 x 2 x 12 5 x 4 x 3 x 2 1 X 4 x 3 x 2 2x 1 X 4 x 3 x 2 x 10 3x 4 x 2 3 x 2 12 X 4 4x 3 3x 2 2x 1 X 4 x 3 2x 2 x 1 0 X 8 x 4 x 3 x 2 1 X 5 x 4 x 3 x 2 1 0 X 3x 4 )- 3 x 2 2 )+ 12x
