Algebra: A Combined Approach (4th Edition)

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

Chapter 5 - Test: 25

Answer

$64x^{2}+48x+9$

Work Step by Step

Step 1: $(8x+3)^{2}=(8x+3)(8x+3)$ Step 2: $8x(8x+3)+3(8x+3)$ Step 3: $8x(8x)+8x(3)+3(8x)+3(3)$ Step 4: $64x^{2}+24x+24x+9$ Step 5: $64x^{2}+48x+9$
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