Question

Help Please. Attachment to come.

Answer 1

Factor the numerator and then you should be able to cancel terms and substitute 2 into the limit and solve.

Answer 2

i don't think the numerator will factor...unless i did it wrong?

Answer 3

It factors to 3(x-2)(x^2-x+1)

Answer 4

how did you do that?
i can only figure out how to factor it to 3(x^3-3x^2+3x-2)
how do you factor the cubic?

Answer 5

I use the Possible rational roots theorem to factor cubics.

Answer 6

alright! thanks for your help! :D

Answer 7

No problem. I hope it helped!