4 5 x 9 )- 1 5x 3 5 x 12 July 8, 2019 16 32 64 128 5 x 5 x 5 x 5 x 5 4 * 9 ^ (1 - 5/x) - 91 * 12 ^ (- 5/x) + 3 * 4 ^ (2 - 10/x) = 0 5 x 5 x 5
