7x 2x 3 5x 9 July 8, 2019 16 32 64 128 7x 2 )( 2x 3 5x 2 4x 9 3x 3 7x 5x 3 2x 9 2x 3 )( 5x 4 7x 3 6x 2 9 5x 2x 3 =- 6 9 7x 2x 2 5x 3 7x 4 9 3 5x 1 )- 7x 2x 9 7x 9 5x 3 2x 1 )+ 2 5 x 7 = 35 2x 7