Answer
$\dfrac{-3}{x}$
Work Step by Step
Since the denominators are the same, we have
$$
\frac{3}{x}-\frac{6}{x}=\frac{3-6}{x}=\frac{-3}{x}
$$
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Appendix A - Review - A.6 Rational Expressions - A.6 Assess Your Understanding - Page A53: 36
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