If x = 7 and y = 2 then, what is the value of $$\frac{x^3 - y^3}{x^2 - y^2} - \frac{3xy}{x + y}$$?

A

$$\frac{28}{9}$$

B

$$\frac{21}{10}$$

C

$$\frac{25}{9}$$

D

$$\frac{26}{9}$$