If $$(X + \frac{1}{x}) = 5$$, and x > 1, what is the value of $$(x^{8} - \frac{1}{x^{8}})$$?

A

$$60605\sqrt{21}$$

B

$$60615\sqrt{21}$$

C

$$60705\sqrt{21}$$

D

$$60725\sqrt{21}$$