X 2x 5 x 19 July 8, 2019 16 32 64 128 4 x 1 )+ 2x 5 2 x )+ 19 5 x =( 24 x )-( 19 2x 6 x 2 )- 5 x 3 )= 2x 19 2x x 5 19 5x X 4 2x 5 5x 19