$s=9$ or $s=5$
Work Step by Step
$s^2-14s+45=0$ $(s-9)(s-5)=0$ $s-9=0$ or $(s-5)=0$ $s=9$ or $s=5$
You can help us out by revising, improving and updating this answer.Update this answer
After 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.