5x 2 x 6 ) 7 2 July 8, 2019 16 32 64 128 5x 2 x 6 )+ 7 2 5x 2 2x 3 19 4x 6 7 2 5x 7 2 x )= 6 3 2 x 9x 6 (- 2 x )=- 7 * 5x 20 2 5x (- 3 7 )- 1 6 x 3 2 1 14x2 5 3 4x 2 )- 5x 6 7 (- x 2 X 2 5x 6 2x 7 5x 7 6 x 2 )- 4 2x 3 5 x2 5 x 5 x 5 x 5 x 5