Answer
$(4x+1)(4x-1)$
Work Step by Step
Using the fact that $a^2-b^2=(a+b)(a-b)$, $$16x^2-1=(4x)^2-1^2=(4x-1)(4x+1)$$
Functions Modeling Change: A Preparation for Calculus, 5th Edition
by Connally, Eric; Hughes-Hallett, Deborah; Gleason, Andrew M.; Cheifetz, Phil C.
Published by
Wiley
ISBN 10:
1118583191
ISBN 13:
978-1-11858-319-7
Chapter 3 - Quadratic Functions - 3.1 Introduction to the Family of Quadratic Functions - Exercises and Problems for Section 3.1 - Skill Refresher - Page 120: S7
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