Question

How do you simplify
(x^2+x-12) / (x^2-9)

Answer 1

factorization, i guess

Answer 2

(x^2+x-12) = (x+4)(x-3)
(x^2-9) = (x-3)(x+3)
so (x^2+x-12) / (x^2-9) = (x+4)(x-3)/(x-3)(x+3) = (x+4)/(x+3)

Answer 3

thanks