If $$(3p - 5m) = 5$$ and $$pm = 6$$, then what is the value of $$(9p^2 - 25m^2)$$?

A

$$\pm 5 \sqrt{385}$$

B

$$30 \sqrt{10}$$

C

$$5 \sqrt{385}$$

D

$$\pm 30 \sqrt{10}$$