10 x 2 ) 7 x 1 )- 6x July 8, 2019 16 32 64 128 10 x 2 ≤ 7 x 1 )- 6x 7x 2 x 1 6x 2 8x 10 6x 1 x 2 7x 10 7x 10 x 2 6x 3 3x 1 7 x 10 1-6x 10 5x-7 x-7