4 7x 6 3 2 July 8, 2019 16 32 64 128 5x 4 6 7x )- 3 4x 3 )= 2 12 3 6 7x 4 2 6 2x 3 )- 2 7x 4 )= 23 2x 4 7x 3 2x 2 13x 6 0 3 4 6 * x 4 7x 2 2x 4 7x 3 2x 2 13x 6 4 7x 6 2 5x 3 4 7x 1 )= 3 2x 1 )-( 4x 6 4 7x 1 3 2x 1 4 x 6 7x 6 2 3 3x 4 3 4 3 7x 6 7 2x 4 7x 3 6 2x 3 4 5 4