Intermediate Algebra for College Students (7th Edition)

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

Chapter 5 - Section 5.3 - Greatest Common Factors and Factoring by Grouping - Exercise Set - Page 347: 61

Answer

$(x-3)(x^2+4)$

Work Step by Step

$x^3-12-3x^2+4x=\\=x^3-3x^2+4x-12\\=x^2(x-3)+4(x-3)\\=(x-3)(x^2+4)$
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