X 2 )( x 5 ) 3x x 4 )= 7 July 8, 2019 16 32 64 128 X 2 )( x 5 )+ 3x x 4 )= 7 X 5 )( x 7 )- 2 2 3x )=( x 5 x 4 4 2x X 2 5x 7 )( x 2 )-( x 2 3x )( x 4 )- 5 x 2 3x 4 2 x 7 )= 5 x 1 )+ 6 2 x 5 x 7 = 35 3 x-5=x+3
