Answer
$\frac{3z+x}{z^2}$
Work Step by Step
To subtract two fractions with different denominator, we need to first find equivalent fractions with the same denominator. Then subtract the numerators.
$\frac{3z}{z^2}+\frac{x}{z^2}=\frac{3z+x}{z^2}$
College Algebra (11th Edition)
by Lial, Margaret L.; Hornsby John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671791
ISBN 13:
978-0-32167-179-0
Chapter R - Section R.5 - Rational Expressions - R.5 Exercises - Page 48: 46
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