Answer
$w=0$ and $w=-7$
Work Step by Step
$w(w+7)=0$ Original problem.
$(w)=0$ and $(w+7)=0$ Set both factors equal to zero.
$w=0$ and $w+7=0$ Drop the parenthesis.
$w=0$ and $w=-7$ Solve both mini-equations.
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 5 - Section 5.8 - Solving Equations by Factoring and Problem Solving - Graphing Calculator Explorations - Page 322: 6
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