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