3 7x 6 x 4 July 8, 2019 16 32 64 128 3 4 6 * x 4 7x 2 7x 3 x 4 )= 2 5x 6 7x 3 9 4x 3 6 x 2 7x 2 6 x 5x 4 3 4x 7x 6 3 x 2 4x 2 7x 3 6 1 4 x x 3 3x 4x 3 x 7x 6
