Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 7 - Section 7.4 - Adding and Subtracting Rational Expressions with Different Denominators - Exercise Set: 20

Answer

$\frac{7-5x^3}{x^2} $

Work Step by Step

$\frac{7}{x^2} - 5x = \frac{7}{x^2} - \frac{5x\times x^2}{x^2} = \frac{7-5x^3}{x^2} $
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