Answer
$x=-\frac{1}{2}$ or $x=4$.
Work Step by Step
$2x^2=7x+4\\2x^2-7x-4=0\\2x^2+x-8x-4=0\\x(2x+1)-4(2x+1)=0\\(2x+1)(x-4)=0$
Thus $x=-\frac{1}{2}$ or $x=4$.
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 6 - Cumulative Review Exercises - Page 500: 2
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.
