10x 2 5x 4x 2 July 8, 2019 16 32 64 128 4x 2 10x )+( 2x 2 5x 5 2x 3 5x 2 4x 5 10x 2 (- 10x 2 5x 3 )-( 4x 2 6x 7 10x 2 5x 2x 2 4x 10x 3 5x 2 4x 2 (- 10x 2 4x 3 )-( 5x 2 4x 9 10x 2 7x 7 )-( 4x 2 5x 9 6x 2 5x 4 )-( 10x 2 4x 7 5x 3 4x 2 10x 20 5x 2 10x 5 )-( 7x 2 4x 9 5x 2 )- 4x 17 8x 2 )- 10x 3