Answer
$(A-B)(A+B)$
Work Step by Step
RECALL:
A difference of two squares can be factored using the formula:
$a^2-b^2 = (a-b)(a+b)$
Thus, the missing expression in the given statement is:
$(A-B)(A+B)$
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.