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: 91


Doesn't make sense.

Work Step by Step

It's not easy at all, because the trinomial is prime (can't be factored with integer coefficients). To factor, we need two factors of 1... OK, this part is easy. They are both 1 or both -1. But neither pair has sum of 1... so the factorization does not exist. Doesn't make sense.
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