College Algebra 7th Edition

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

Chapter P, Prerequisites - Section P.6 - Factoring - P.6 Exercises: 50

Answer

$(2x+1)(9x^2+1)$

Work Step by Step

Regroup to obtain: $=(18x^3+9x^2)+(2x+1)$ Factor out $9x^2$ in the first group to obtain: $=9x^2(2x+1)+(2x+1)$ Factor out the greatest common factor $(2x+1)$ to obtain: $=(2x+1)(9x^2+1)$
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