5 2x 2 6x 9 )- 2 July 8, 2019 16 32 64 128 2x 2 6x 5 )+( 7x 2 x 9 5 2x 2 6x 4 3x 2 x 2 9 3 9 2x 5 2 15x 6x 2 7x 1 2x 2 6x 5 3x x 2 9 5 2x 2 6x 4 3x 2 x 2 9
