Algebra: A Combined Approach (4th Edition)

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

Chapter 7 - Section 7.1 - Simplifying Rational Expressions - Exercise Set: 21


Expression is undefined when x=$\frac{-7}{3}$ or x=-2

Work Step by Step

Expression is undefined when 3$x^{2}$+13x+14=0 3$x^{2}$+6x+7x+14=0 3x(x+2)+7(x+2)=0 (3x+7)(x+2)=0 3x+7=0 or x+2=0 3x=-7 or x=-2 x=$\frac{-7}{3}$ or x=-2
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