Answer
$ (x-5)(4x^2 + 1)$
Work Step by Step
$4x^3+x-20x^2-5 $
$= x(4x^2+1) - 5 (4x^2 + 1)$
Factor out the common factor, $(4x^2 + 1)$.
$= (x-5)(4x^2 + 1)$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 6 - Section 6.1 - The Greatest Common Factor - Practice - Page 419: 14
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