Answer
$m = 7, -7$
Work Step by Step
$49 - m^2 = 0$
$49 - m^2+m^2 = 0+m^2$
$49 = m^2$
$\sqrt {49} = \sqrt {m^2}$
$m = 7, -7$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 9 - Quadratic Functions and Equations - 9-4 Factoring to Solve Quadratic Equations - Mixed Review - Page 559: 55
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