Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 7 - Section 7.1 - Rational Expressions and Their Simplification - Exercise Set - Page 493: 100


Doesn't make sense.

Work Step by Step

To simplify,. 1. Factor the numerator and the denominator completely. 2. Divide both the numerator and the denominator by any common factors. 7 is a factor of both the numerator and the denominator in $\displaystyle \frac{7}{14x}$, so dividing both by 7 can be done, but, it is not a factor of the denominator of $\displaystyle \frac{7}{14+x}, $so for the second expression, this can not be done. Doesn't make sense.
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