Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 6 - Section 6.2 - Factoring Trinomials of the Form x2+bx+c - Vocabulary and Readiness Check - Page 428: 5



Work Step by Step

$x^{2}+9x+20=$ $x^{2}+4x+5x+20=$ $x(x+4)+5(x+4)=$ $(x+4)(x+5)$. Therefore, the missing factor is (x+5).
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