Intermediate Algebra (12th Edition)

Published by Pearson
ISBN 10: 0321969359
ISBN 13: 978-0-32196-935-4

Chapter 5 - Section 5.4 - A General Approach to Factoring - 5.4 Exercises - Page 348: 50


not factorable

Work Step by Step

$\bf{\text{Solution Outline:}}$ The given expression, $ k^2-6k+16 ,$ is prime. $\bf{\text{Solution Details:}}$ In the trinomial expression above, $b= -6 ,\text{ and } c= 16 .$ Using the factoring of trinomials in the form $x^2+bx+c,$ there are no two numbers whose product is $c$ and whose sum is $b.$ Hence, the given expression is $\text{ not factorable .}$
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