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