Answer
See i and ii.
Work Step by Step
i) Use rules of algebra to isolate variable to one side then solve and check signs.
ii) Graph and check where the graph hits $y=0$, OR is below $y=0$ OR above $y=0$
College Algebra 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305115546
ISBN 13:
978-1-30511-554-5
Chapter 1, Equations and Graphs - Chapter 1 Review - Concept Check - Page 169: 22
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