X 3 9x 2 18x July 8, 2019 16 32 64 128 X 3 9x 2 18x 12 X 4 9x 3 18x 2 9x 3 18x 2 x 2 divided by 3x 1 X 4 2x 3 9x 2 18x X 4 2x 3 9x 2 18x 0 X 4 9x 3 16x 2 18x 4 0 Factor x 4 2x 3 9x 2 18x Solve x 4 2x 3 9x 2 18x 0 9x 3 18x 2 x 2 )/( 3x 1 X 4 9x 3 16x 2 18x 4