3 2x 5 )= 7 x 2 July 8, 2019 16 32 64 128 7x 2x 3 5 x 2 3 2x 1 )= 7 2 x 5 X 3 2x 5 x 7 2x 1 $3 2x 2 x 7 (- x 2 3x 5 21 3 7 2x )= 5 2 x 9 2 3 2x 4 5 x 7 3x 1 5 x 7 2 3 2x 14 3 x 5 )- 7 2x 1 )=- 9x 20 4x x 7 )-( 2x 3 )( 2x 5 2x 4 5 3 x 7 2 2x 5 x 7 3 22 2x 3 5 7x 7 2x 3 2x 5 )- 2 4x 7 )= 7x 17