Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 8 - Polynomials and Factoring - Chapter Test - Page 539: 16



Work Step by Step

$x^2+17x+72$ $=x^2+8x+9x+72$ $=(x^2+8x)+(9x+72)$ $=x(x+8)+9(x+8)$ $=(x+8)(x+9)$
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