Answer
$m=\pm7$
Work Step by Step
Step 1: $4m^{2}=196$
Step 2: $(2m)^{2}=196$
Step 3: $\sqrt {(2m)^{2}}=\sqrt {196}$
Step 4: $2m=\pm14$
Step 5: $m=\pm7$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 8 - Review - Page 531: 3
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