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 5.2 - Multiplication of Polynomials - Exercise Set - Page 337: 24

Answer

$x^3-x^2-12x+32$

Work Step by Step

$(x+4)(x^2-5x+8)=\\=x(x^2-5x+8)+4(x^2-5x+8)\\=(x^3-5x^2+8x)+4x^2-20x+32\\=x^3-x^2-12x+32$
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