Work Step by Step
Shaded area = Larger figure - smaller figure Larger figure $= (3x+4) \times (3x-4)$ $= 9x^2-16$ Smaller figure $=x \times x$ $=x^2$ Four smaller figures $=4x^2$ $(9x^2-16)-(4x^2)$ $=5x^2-16$
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.