Answer
$ \pm3$
Work Step by Step
Based on the given conditions, we have:
$e^{x^2-9}=1\\ x^2-9=ln1=0\\ x=\pm3$
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.