Algebra 2 (1st Edition)

Published by McDougal Littell
ISBN 10: 0618595414
ISBN 13: 978-0-61859-541-9

Chapter 4 Quadratic Functions and Factoring - 4.3 Solve x(squared) + bx + c = 0 - 4.2 Exercises - Mixed Review - Page 258: 81

Answer

-4/3, 4

Work Step by Step

Since this is an absolute value expression, the value inside the absolute value can be positive or negative. Thus, considering both possibilities: $$ 4-3x =8 \\ -3x =4 \\ x=-\frac{4}{3} \\ OR \\ 4-3x = -8 \\ -3x =-12 \\ x=4$$
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