Intermediate Algebra (6th Edition)

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

Chapter 6 - Section 6.2 - Adding and Subtracting Rational Expressions - Exercise Set: 85

Answer

$4+x^{2}$

Work Step by Step

The distributive property holds that $a(b+c)=ab+ac$ for real numbers a, b, and c. Therefore, $x^{2}(\frac{4}{x^{2}}+1)=(x^{2}\times\frac{4}{x^{2}})+(x^{2}\times1)=4+x^{2}$
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