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, $x^{2}(\frac{4}{x^{2}}+1)=(x^{2}\times\frac{4}{x^{2}})+(x^{2}\times1)=4+x^{2}$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
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 - Page 355: 85
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