7 2 x )- 5 x 1 )=- 6x 1 July 8, 2019 16 32 64 128 8x 1 )( x 7 )-( x 2 )( 8x 5 )- 11 6x 1 2 (- 1 x )- 7 1 x )= 6x 5 4x
