Answer
$y^{2}$-25
Work Step by Step
(y-5)(y+5)=$y^{2}$-$5^{2}$=$y^{2}$-25
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.