Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 5 - Section 5.6 - Special Products - Exercise Set - Page 389: 98



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 $=4x^2$ $(9x^2-16)-(4x^2)$ $=5x^2-16$
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