2 3x 1 1 4x 9 July 8, 2019 16 32 64 128 4x 3 2 3x 1 3x 1 9 3x 2 4x 1 9x 6x 1 9x 2 1 =( 3x 1 )( 4x 1 3x 1 2 x 1 4 4x 9 8 1 2x 2 3x 1 4x 2 9 2/3 * (3x - 1) - 1/9 * (9x - 2 1/4) = 1/4 2x + 1 3x − 3 and 9x