5 3 2x 3 )= 9x 2 July 8, 2019 16 32 64 128 9x 5 2 3 2x 3 8x 2 4 2 5 (- 2x 3 )= 9x 21 2 7x 10 )+ 5 3 2x 3 )- 9x 7x 5 )( 2x 3 4x 2 9x 3 6x 2x 3 5 2x2 9x 3 (- 2x 3 9x 2 5 5x 3 4x 2 8x 1 5-x = 9 2-3x -4