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: 97

Answer

$24x^2-32x+8$

Work Step by Step

Shaded area = Larger figure - smaller figure Larger figure $= (5x-3) \times (5x-3)$ $= 25x^2-30x+9$ Smaller figure $=(x+1) \times (x+1)$ $=x^2+2x+1$ $(25x^2-30x+9)-(x^2+2x+1)$ $25x^2-30x+9-x^2-2x-1$ $=24x^2-32x+8$
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