Answer
25 $in^2$
Work Step by Step
$(x+3)^2=64$
$\sqrt {(x+3)^2} = \sqrt {64}$
$x+3=8$
$x=5$
$5*5=25$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 6 - Section 6.7 - Quadratic Equations and Problem Solving - Exercise Set - Page 467: 27
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