What are the factors after you do the 4th step?

The correct option is the third option:
(3x-2)(3x+9)
EXPLANATION
Given:
[tex](x-\frac{2}{3})(x+\frac{9}{3})[/tex]To eliminate the 3, just multiply through by 3
Then we will have;
[tex](3x-2)(3x+9)[/tex]Hence, the correct option is the third option:
(3x-2)(3x+9)