X 3 8 x 2 x 7 0 July 8, 2019 16 32 64 128 X 2 )( x 3 )( x 7 )( x 8 )- 144 0 X 2 7 x 1 8 x 9 3 0 ( x + 2 3 ) − ( x + 7 8 )
