College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 1, Equations and Graphs - Section 1.4 - Solving Quadratic Equations - 1.4 Exercises: 63

Answer

$x=-\frac{1}{a}$

Work Step by Step

We factor: $a^{2}x^{2}+2ax+1=0$ $(ax+1)^{2}=0$ $ax+1=\sqrt{0}=0$ $ax=-1$ $x=-\frac{1}{a}$
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