Answer
29 m by 35 m
Work Step by Step
$((x+6)+8)*((x)+8)=576+(x*(x+6))$
$(x+14)*(x+8)=576+(x^2+6x)$
$x^2+22x+112=576+x^2+6x$
$16x=464$
$16x/16=464/16$
$x=29$
$29+6=35$
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 469: 55
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