4n -1 Tabular Method Work 5n^3 -7n^2 20n^4 -28n^3 -5n^3 7n^2 On 0 0 -9 -36n 9 -1)(5n^3-7n^2-9)=20n^4+(-28n^3-5n^3)+(0+7n^2)+(-36n+0)+9 Answer for Tabular: _20n^4-33n^3+7n^2-36n+9_ Answer for Distributive: _20n^4-33n^3+7n^2-36n+9 Distributive Property work (4n-1)(5n^3-7n^2-9) =4n(5n^3-7n^2-9)-1(5n^3- 7n^2-9) 20n^4-28n^3-36n-5n^3+7n^2+9 20^4-28n^3-5n^3+7n^2-36n+9 Did you get the same answer? __Yes_ Why do you have to fill in a zero placeholder for the tabular method? 2

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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4n
-1
Tabular Method Work
5n^3 -7n^2
20n^4 -28n^3
-5n^3
7n^2
On
0
0
-9
-36n
9
-1)(5n^3-7n^2-9)=20n^4+(-28n^3-5n^3)+(0+7n^2)+(-36n+0)+9
Answer for Tabular: _20n^4-33n^3+7n^2-36n+9_
Answer for Distributive: _20n^4-33n^3+7n^2-36n+9
Distributive Property work
(4n-1)(5n^3-7n^2-9)
=4n(5n^3-7n^2-9)-1(5n^3-
7n^2-9)
20n^4-28n^3-36n-5n^3+7n^2+9
20^4-28n^3-5n^3+7n^2-36n+9
Did you get the same answer? __Yes_
Why do you have to fill in a zero placeholder for the tabular method?
2
Transcribed Image Text:4n -1 Tabular Method Work 5n^3 -7n^2 20n^4 -28n^3 -5n^3 7n^2 On 0 0 -9 -36n 9 -1)(5n^3-7n^2-9)=20n^4+(-28n^3-5n^3)+(0+7n^2)+(-36n+0)+9 Answer for Tabular: _20n^4-33n^3+7n^2-36n+9_ Answer for Distributive: _20n^4-33n^3+7n^2-36n+9 Distributive Property work (4n-1)(5n^3-7n^2-9) =4n(5n^3-7n^2-9)-1(5n^3- 7n^2-9) 20n^4-28n^3-36n-5n^3+7n^2+9 20^4-28n^3-5n^3+7n^2-36n+9 Did you get the same answer? __Yes_ Why do you have to fill in a zero placeholder for the tabular method? 2
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