Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter P - Section P.6 - Rational Expressions - Concept and Vocabulary Check - Page 84: 4


$\displaystyle \frac{x^{2}}{15}$

Work Step by Step

When multiplying rational expressions, we - fully factor each numerator and denominator (here, no need) - reduce the expression if there are common factors (here: none) - multiply all the numerators, multiply all the denominators. $\displaystyle \frac{x}{5}\cdot\frac{x}{5}=\frac{x\cdot x}{5\cdot 3}$ = $\displaystyle \frac{x^{2}}{15}$
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