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: 95



Work Step by Step

Shaded area = Larger square - smaller square Larger square $= (x^2-1) \times (x^2-1)$ $= x^4-2x^2+1$ Smaller square $= x \times x$ $=x^2$ $(x^4-2x^2+1)-(x^2)$ $=x^4-3x^2+1$
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