Answer
Expression is undefined when
x=0 or x=-2
Work Step by Step
Expression is undefined when
15$x^{2}$+30x=0
15x(x+2)=0
x=0 or x+2=0
x=0 or x=-2
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 7 - Section 7.1 - Simplifying Rational Expressions - Exercise Set - Page 490: 15
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