Work Step by Step
RECALL: $(a+b)^2=a^2+2ab+b^2$ $(a-b)^2=a^2-2ab+b^2$ The trinomials on the right side of the two formulas above are called perfect square trinomials. Thus, the square of a binomial is a perfect square trinomial.
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.