Answer
$$\left(x+1\right)\left(x-3\right)\left(x-4\right)$$
Work Step by Step
Factoring the polynomial, we find:
$$(x+1)(x^2-7x+12) \\ \left(x+1\right)\left(x-3\right)\left(x-4\right)$$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.