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