5 2x 7 5x 2 3 July 8, 2019 16 32 64 128 3 5x 0 5 2 2x )= 7 5x 31 5 2x 3 )- 4 5x 7 )= 19 2 x 11 2x 5 )( 3x 2 5x 7 5 2x 3 )- 4x 5x 7 )= 19 2 x 17 5x 7 2 2x 5 ) 2 3 x 1 3x 2 5x 1 )= 5 2x 7 3x 7 )+ 2 5 2x )+ 5x 19 5 x 7 = 35