Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 9 - Section 9.5 - Logarithmic Functions - Exercise Set - Page 572: 88



Work Step by Step

Factoring the given expressions and cancelling the common factors between the numerator and the denominator, the given rational expression, $ \dfrac{x^2-3x-10}{2+x} ,$ simplifies to \begin{array}{l}\require{cancel} \dfrac{(x-5)(x+2)}{x+2} \\\\= \dfrac{(x-5)(\cancel{x+2})}{\cancel{x+2}} \\\\= x-5 .\end{array}
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