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: 20

Answer

$x^2+14x+49$

Work Step by Step

$(x+7)^2 = (x+7)(x+7)$ $=(x)(x) + 7(x) + (x)7 + 7(7)$ $=x^2 + 7x + 7x + 49$ $=x^2+14x+49$
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