$ 16m^2 + 16mn + 4n^2$
Work Step by Step
$(4m + 2n)^2 = (4m)^2 + 2(4m)(2n) + (2n)^2 = 16m^2 + 16mn + 4n^2$
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.