Answer:
(x-6)/(x-2)
Step-by-step explanation:
(x^2-4x-12)=(x^2+2x-6x-12)
X(X+2)-6(X+2)
(x-6)(X+2)
(x^2-4)
= (x-2)(x+2)
(x-6)(X+2)/(x-2)(X+2)
