College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 3, Polynomial and Rational Functions - Section 3.3 - Dividing Polynomials - 3.3 Exercises - Page 310: 55

Answer

Since $P(c)=0$ it indeed factors as shown.

Work Step by Step

plugging in 1/2, $2*1/8+7*1/4+6*1/2-5=1/4+7/4+3-5=0$
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