Answer
$x=-3$ or $x=6$
Work Step by Step
We solve by factoring:
$x^{2}-3x-18=0$
$(x+3)(x-6)=0$
$x=-3$ or $x=6$
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.