Factor x 2 3x 4x 12 July 8, 2019 16 32 64 128 Factor x 3 3x 2 4x 12 Factor x 3 3x 2 4x 12 0 Factor polynomial x 3 3x 2 4x 12 X 2 4x 3x 12 factor out the hcf of the first group Factor by grouping x 3 3x 2 4x 12 Factor x 4 3x 3 4x 2 12x X-factor 4 Factor by 4