X 3 2x 2 7x 2 0 July 8, 2019 16 32 64 128 X 3 2x 2 7x 12 0 X 3 2x 2 7x 4 0 X 3 2x 2 7x 14 0 X 3 2x 2 7x 6 0 2x 2 7x 3 )( 2x 2 x 3 )+ 9 0
