College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter 1 - Equations and Inequalities - Exercise Set 1.5 - Page 160: 2



Work Step by Step

$x^{2}-13x+36=0$ $(x-4)(x-9)=0$ $x=4,9$ Factor by trial and error for this trinomial. Then solve for $x$ by setting each value equal to zero.
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