Answer
$xy-xz+4x+4y-4z+16$
Work Step by Step
Using the Distributive Property, the given expression, $
(x+4)(y-z+4)
,$ is equivalent to
\begin{array}{l}\require{cancel}
x(y)+x(-z)+x(4)+4(y)+4(-z)+4(4)
\\\\=
xy-xz+4x+4y-4z+16
.\end{array}
Elementary Algebra
by Kaufmann, Jerome; Schwitters, Karen;
Published by
Cengage Learning
ISBN 10:
1285194055
ISBN 13:
978-1-28519-405-9
Chapter 5 - Exponents and Polynomials - 5.3 - Multiplying Polynomials - Problem Set 5.3 - Page 207: 8
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