Functions Modeling Change: A Preparation for Calculus, 5th Edition

Published by Wiley
ISBN 10: 1118583191
ISBN 13: 978-1-11858-319-7

Chapter 3 - Quadratic Functions - Exercises for Skills for Factoring - Page 135: 96


$$x=-4\quad \mathrm{or}\quad \:x=3$$

Work Step by Step

Solving the equation, we find: $$ 2x+1=-7\quad \mathrm{or}\quad \:2x+1=7 \\ x=-4\quad \mathrm{or}\quad \:x=3$$
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