Unit 4: Factorization - Mathematics For Class IX (Science Group) - Explanation & Examples Of Exercise 4.1

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Unit 4: Factorization
Explanation Of Exercise 4.1

FACTORIZATION:
Factorization help us to reduce the complicated expression into simple epression.

FACTORIZATION EXPRESSIONS:

• Common factors in all terms
  Example: ka + kb + kc
  
  
• Common factors in pairs of terms
  Example: ac + ad + bc + bd
  
  
• Perfect squares
  Example: a² 土 2ab + b²
  
  
• Difference of two squares
  Example: a² - b²
  (√ a)² - (√ b)²
  
  
• Combine perfect square & difference of two squares
  Example: a² 土 2ab + b² - c²

EXAMPLES