3 2 2 9x 1 3 July 8, 2019 16 32 64 128 3x 3 2 9x 1 2 6x 1 2 3 4 3 9x )= 1 2 2 5 − 5x 3x 1 2 9x 2 3 0 3 2 9x 1 3x 7 3x 2 6x 2 1 )- 9x 2x 3 x 5x 2 3x 17x 2 1 9x 3 (- 2 9x 1 5 )-( 2 3x 3 10 2 3x 1 )( 9x 2 3x 1 )- 54x 3 1 3 9x 2 )= 4 2 3 6x 4 2 3 9x 12 )+ 2 =- 3 2x 3 )- 1
