Algebra: A Combined Approach (4th Edition)

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

Chapter 7 - Review - Page 558: 28



Work Step by Step

$\dfrac{9x+7}{6x^{2}}-\dfrac{3x+4}{6x^{2}}$ Evaluate the substraction: $\dfrac{9x+7}{6x^{2}}-\dfrac{3x+4}{6x^{2}}=\dfrac{(9x+7)-(3x+4)}{6x^{2}}=...$ $...=\dfrac{9x+7-3x-4}{6x^{2}}=\dfrac{6x+3}{6x^{2}}=...$ Take out common factor $3$ from the numerator and simplify: $...=\dfrac{3(2x+1)}{6x^{2}}=\dfrac{2x+1}{2x^{2}}$
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