Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 7 - Section 7.4 - Adding and Subtracting Rational Expressions with Different Denominators - Practice: 3



Work Step by Step

Step 1: $\frac{5}{7x}+\frac{2}{x+1}$ Step 2: $\frac{5\times(x+1)}{7x\times(x+1)}+\frac{2\times7x}{(x+1)\times7x}$ Step 3: $\frac{5x+5}{7x(x+1)}+\frac{14x}{7x(x+1)}$ Step 4: $\frac{5x+5+14x}{7x(x+1)}$ Step 5: $\frac{19x+5}{7x(x+1)}$
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