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Distributive Property for Multiplying Polynomials

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by

Taizon Pierce

on 5 October 2012

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Transcript of Distributive Property for Multiplying Polynomials

Taizon Pierce and Donald Millard Multiplying Polynomials Using The Distributive Property and FOIL. Things to Remember:
Combine like terms
Add/subtract monomials: Check signs
FOIL
Distribute (a+s+z)(4+b+s) Challenge 2: Challenge 1: Things to Remember:
Combine like terms
Add/subtract monomials: Check signs
FOIL
Distribute Recap: F.irst: first terms of each polynomial
(4x+5y)(6x+9y)= 24x^2
O.uter: outside terms of each polynomial
(4x+5y)(6x+9y)= 36xy
I.nner: inside terms of each polynomial
(4x+5y)(6x+9y)= 30xy
L.ast: last terms of each polynomial
(4x+5y)(6x+9y)= 45y^2 24x^2+36xy+30xy+45y^2=
24x^2+66xy+45y^2 Golden Rules Examples:
Copy These Down!! (5x+7y)(x+4y)= 5x^2+27xy+28y^2

(10x-3y)(2x-4y)= 20x^2-34xy+1y^2

(6x+7y)(7x-y)= 42x^2-55xy-7y^2

(4x-14y)(3x+13y)= 12x^2+10xy-182y^2

(14+3y)(7-3a)= 98-42a+21y-9ay (13x+9y-2)(12x^2+9a+3) 152x^3+117xa+39x+108yx^2+81ya+27y-24x^2-18a-6
Can't Simplify 4a+ab+as+4s+bs+s^2+4z+bz+sz
Not like terms, Can't simplify. FOIL Rules
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