Answer
$x=2, x=-2$
Work Step by Step
$\frac{1-4}{x^{2}}=0$
$\frac{x^{2}-4}{x^{2}}=0$
$\frac{(x+2)(x-2)}{x^{2}}=0$
$x=2, x=-2$
Finite Math and Applied Calculus (6th Edition)
by Waner, Stefan; Costenoble, Steven
Published by
Brooks Cole
ISBN 10:
1133607705
ISBN 13:
978-1-13360-770-0
Chapter 0 - Section 0.6 - Solving Miscellaneous Equations - Exercises - Page 34: 20
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