Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 1 - Chapter Test - Page 156: 9

Answer

No solutions

Work Step by Step

$\frac{x-2}{x+2}+\frac{4}{x+2}+4=0$ x-2 + 4 +4(x+2) = 0 5x +10=0 x = -2 Plug this solution in the original equation to see it is an extraneous solution as x=-2 makes the denominator (x+2) = 0 and hence the equation is undefined.
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