ICSE Class 9 - Factorisation Using Square Identities Videos

• Why cant we solve this using a²-b² formula
  
• x?-14x²+1
• x4+5x2+9
• (6-x)^2-3
• 25a^2 -9b^2
  
• Factorise:1. x^4 +9 2.4x^2-y^2-3xy+2x-2y 3.x^4-y^4+2y^2-1
• 2(ax+by)+(bx-ay)
• Mathematics- Chapter-4   Factorisation How to Solve the below question;      Regards, Yashwardhan Wagh
• ( square root 3- square root 2)²  
• Factorise: 49m²+70mn+25n

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