Answer
$8x^2+4x+8$ ft
Work Step by Step
Side lengths are all in feet: $2x^2$, $3x^2+1$, $3x^2+7$, $4x$
$2x^2+3x^2+1+3x^2+7+4x$
$8x^2+4x+8$ ft
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 10 - Section 10.3 - Solving Nonlinear Systems of Equations - Exercise Set - Page 624: 40
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