Answer
$P=10x^2+45x+45$
$5*(2x+3)(x+3)$
Work Step by Step
perimeter of pentagon = 5*side length
$P=5*s$
$P=5*(2x^2+9x+9)$
$P=10x^2+45x+45$
$2x^2+9x+9$
$2x^2+6x+3x+9$
$2x(x+3)+3(x+3)$
$(2x+3)(x+3)$
$5*(2x+3)(x+3)$
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 6.4 - Factoring Trinomials of the Form ax2+bx+c by Grouping - Exercise Set - Page 441: 59
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