Work Step by Step
Larger square $$A=(x)(x) = x^2$$ Smaller square $$A = (2y)(2y) = 4y^2$$ Shaded region $$A = x^2-4y^2 = (x+2y)(x-2y)$$
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.