X 3 7 2x 5 July 8, 2019 16 32 64 128 X 3 7 2x 1 5 3 x 7 )+ 5 2x 4 3 x 7 )+ 8 2x 5 X 2 3 2x 7 5 X 3 )( x 7 )- 2x 3x 5 5 x 3 )+ 7 2x 16 3 x 1 )( x 7 )-( 2x 5 2 X 3 7 2x 5 3 3x 5 5 25 4 3 x )- 11 7 2x 5 X 3 )( x 7 )- 4x 5 2x 5x 3 x 11 )= 7 2x 5 )+ 2 3 x 5 )- 7 2x 1 )=- 9x 20 3 2x 7 )= 5x 17 x X 3 )( 2x 2 5x 7 21 3 7 2x )= 5 2 x 9