Answer
$(x+8)(x+9)$
Work Step by Step
$x^2+17x+72$
$=x^2+8x+9x+72$
$=(x^2+8x)+(9x+72)$
$=x(x+8)+9(x+8)$
$=(x+8)(x+9)$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 8 - Polynomials and Factoring - Chapter Test - Page 539: 16
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