6 x 1 )- 9 4 x 1 ) 2x July 8, 2019 16 32 64 128 6 x 1 )- 9 4 x 1 )+ 2x 6 2x 1 )+ 9 x 1 )= 8 x 1 1 4 6 4/9 x =1
