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Beginning Algebra
Answer/Discussion to Practice Problems
Tutorial 28: Multiplying Polynomials



 

checkAnswer/Discussion to 1a

 
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checkAnswer/Discussion to 1b

 
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*Use the FOIL method

*Combine like terms


 

 


 

checkAnswer/Discussion to 1c

 
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*Rewrite as base
(4x + 3) times itself
 
 
 

*Use the FOIL method
*Combine like terms
 


 

 
 


 

checkAnswer/Discussion to 1d

 
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*Use Dist. Prop. twice

*Combine like terms


 

 

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Last revised on August 2, 2011 by Kim Seward.
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