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5. Expansion formulae

Section outline

- Collapse Expand
  Let's recall
  
  Select activity Algebraic Identity:(a+b)(a-b)=a^2-b^2 | Part 1/3
  
  
  
  Algebraic Identity:(a+b)(a-b)=a^2-b^2 | Part 1/3 Lesson
  
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  Select activity Algebraic Identity:(a+b)(a-b)=a^2-b^2 | Part 2/3
  
  
  
  Algebraic Identity:(a+b)(a-b)=a^2-b^2 | Part 2/3 Lesson
  
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  Select activity Algebraic Identity:(a+b)(a-b)=a^2-b^2 | Part 3/3
  
  
  
  Algebraic Identity:(a+b)(a-b)=a^2-b^2 | Part 3/3 Lesson
  
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- Collapse Expand
  Expansion of (x+a)(x+b)
  
  Select activity Algebraic Identity:(x+a)(x+b)=x^2+(a+b)x+ab | Part1/3
  
  
  
  Algebraic Identity:(x+a)(x+b)=x^2+(a+b)x+ab | Part1/3 Lesson
  
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  Select activity Algebraic Identity:(x+a)(x+b)=x^2+(a+b)x+ab | Part2/3
  
  
  
  Algebraic Identity:(x+a)(x+b)=x^2+(a+b)x+ab | Part2/3 Lesson
  
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  Select activity Algebraic Identity:(x+a)(x+b)=x^2+(a+b)x+ab | Part3/3
  
  
  
  Algebraic Identity:(x+a)(x+b)=x^2+(a+b)x+ab | Part3/3 Lesson
  
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