Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 6 - Section 6.2 - Factoring Trinomials Whose Leading Coefficient is 1 - Exercise Set - Page 437: 86

Answer

1. Recognize a trinomial with a leading coefficent of 1 (seach for two integer factors of $+6$, whose sum is $-5$. ) 2. Since their product is positive and their sum is negative, both (if they exist) are negative.

Work Step by Step

First, check if there is a common factor other than 1. There are none. 1. Recognize a trinomial with a leading coefficent of 1 (seach for two integer factors of $+6$, whose sum is $-5$. ) 2. Since their product is positive and their sum is negative, both (if they exist) are negative. 3. Having found them to be $-3$ and $-2,$ write $(x-2)(x-3)$
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