Answer
$ -3n^{2} + 11n + 20$
Work Step by Step
Given : $(-3n-4)(n-5)$
This becomes : $-3n(n) -3n(-5)-4(n)-4(-5)$
(After distributing)
$= -3n^{2} + 15n - 4n + 20$
$= -3n^{2}+11n+20$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 11 - Rational Expressions and Functions - 11-2 Multiplying and Dividing Rational Expressions - Practice and Problem-Solving Exercises - Page 676: 78
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