Answer
$25(a^2-b^2)$
Work Step by Step
25 is a common factor of each term in the polynomial, so we factor it out.
$25a^2-25b^2=25(a^2-b^2)$
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.