Intermediate Algebra for College Students (7th Edition)

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

Chapter 1 - Section 1.4 - Solving Linear Equations - Exercise Set - Page 51: 55



Work Step by Step

$4(x-2)+2=4x-2(2-x)$ $or, \,\,\, 4x-8+2=4x-4+2x$ $or, \,\,\, 2x=-2$ $So,\,\,\, x=-1$ $Now \,inserting \,the\, value \,of\, x=-1,$ $ x^{2}-x=(-1)^{2}-(-1)=1+1=2$
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