3 (x-8) (x+4) / 12 (x-3) (x+4) simplified

(x - 8) / 4 (x - 3).

Step-by-step explanation:

3 (x-8) (x+4) / 12 (x-3) (x+4)

The (x+4) is common to top and bottom of the fraction so we have

3 (x - 8) / 12 (x - 3) 12 = 3*4 so we further simplify:

= (x - 8) / 4 (x - 3).