Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 6 - Cumulative Review Exercises - Page 500: 2

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 $x=4$.
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