Answer
$a^2+6a-16$
Work Step by Step
$\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ first\ \ outer\ \ inner\ \ \ \ last$
$(a+8)(a-2)=a^2\ \ \ -2a\ \ \ +8a\ \ \ -16$
Combine like terms.
$a^2+6a-16$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 8 - Polynomials and Factoring - 8-3 Multiplying Binomials - Practice and Problem-Solving Exercises - Page 490: 20
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