Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 7 - Algebraic Fractions - 7.3 - Adding and Subtracting Algebraic Fractions - Concept Quiz 7.3 - Page 290: 1



Work Step by Step

$x=-1/2$ can be considered, for it never makes the denominator of the fraction equal to zero. (Unlike the denominator, the numerator of a fraction is allowed to be equal to zero.) Thus, only $x=-4$ should be excluded from the equation.
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