Answer
not factorable
Work Step by Step
There are no 2 numbers whose product is $
5
$ and whose sum is $
4
$. Hence, $x^2+4x+5$ is not factorable.
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 5 - Section 5.6 - Factoring Trinomials - Exercise Set - Page 303: 61
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