Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 9 - Quadratic Functions and Equations - Chapter Test - Page 607: 9


$x=\pm 5$

Work Step by Step

We are given $4x^2-100=0$ $4(x^2-25)=0$ $(x-5)(x+5)=0$ $x=\pm 5$
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