Answer:
(x + 6)/ (x - 2)
Step-by-step explanation:
(x^2 + 12x + 36) / (x^2 + 4x - 12)
= (x + 6)^2 / (x +6)(x - 2)
= (x + 6)(x + 6) / (x +6)(x - 2)
= (x + 6)/ (x - 2)