

Multiplying Polynomials
Presentation
•
Mathematics
•
8th Grade
•
Hard
James Gonzalez
FREE Resource
7 Slides • 5 Questions
1
The Box Method is Pretty Simple.
As you see here all you have to do is multiply every term in the first box by the second box as shown
The Box Method!
2
The simple version of it is to multiply the inside by the out side
How to do
Parentheses
Exponents
Multiplication
Division
Addition
Subtraction
PEMDAS
Things you need to know for Multiplying Polynomials
3
Distributive property- Multiplying the term outside the parentheses by the term inside
Exponent-Tell us how many times a base is used as a factor
Variable- a letter; a placeholder for a number
Constant-a fixed value: a term on its own
Coefficient- a number used to multiply a variable
Like term- Terms with variables raised to the same power
definition
Distributive property
exponents
variables
constants
coefficient
Like Terms
Vocabulary
Things you need to know for Multiplying Polynomials
4
Multiple Choice
What is the first step to (2x+4^2)(3x+19x+5)
Add everything inside of the parentheses
Simply 4^2
Multply everything in the second parenthese box by 2x
add 3x and 19x
5
Multiple Choice
What is the second step to (2x+4^2)(3x+19x+5)
Add everything inside of the parentheses
Simply 4^2
Multply everything in the second parenthese box by 2x
add alike terms
6
Try out the equation
(2x+4^2)(3x+19x+5)
7
Multiple Choice
(2x+4^2)(3x+19x+5)
44^2 + 36x + 80
44x^2 + 88x^2 + 10x+ 10^2
132x^2 + 10x + 10^2
8
These are very simple mistakes that may come from not having the previous skills that Multiplying Polynomials builds upon
Fix it
There were a few reasons how you could have got this wrong
You didn't Simplify 3x and + 19x
you didn't simplify 4^2 to 16
The math
Why did you get this wrong?
9
Try something simpler
(5x+7)(10x+4)
10
Fill in the Blanks
Type answer...
11
Last one
(5x^2+3^3)(4x-7)
12
Multiple Choice
(5x^2+3^3)(4x-7)
20x^3-35x^2+108x-189
20^3-35^2+108-189
The Box Method is Pretty Simple.
As you see here all you have to do is multiply every term in the first box by the second box as shown
The Box Method!
Show answer
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