Answer
$x = - 0.5 $ OR $x=1$
Work Step by Step
$2x^2 - x - 1 = 0$
$2x^2 - 2x + x - 1 = 0$
$2x ( x-1) + 1 (x-1) = 0$
$(2x+1)(x-1) = 0$
$2x+1 =0 $ OR $x - 1 = 0$
$2x = -1$ OR $x=1$
$x = - 0.5 $ OR $x=1$
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 7.4 - Adding and Subtracting Rational Expressions with Different Denominators - Exercise Set - Page 517: 71
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
