Answer
$x=\pm\frac{7}{2}$
Work Step by Step
We solve the equation:
$4x^{2}=49\displaystyle$
$x^{2}=\frac{49}{4}$
$x=\pm\sqrt{\frac{49}{4}}=\pm\frac{7}{2}$
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 P, Prerequisites - Chapter P Review - Exercises - Page 77: 116
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