Question

lim x-->6 (x^2-4x-12)/(x^2-5x-6) I have to estimate the limit numerically.

Answer 1

do I factor out the denominator?

Answer 2

(x-6)(x+2)/(x-6)(x+1)
(x+2)/(x+1)
lim x -> 6 = (6+2)/(6+1)
8/7