FACTORISE..16(x+y)2-81(x-2y)2

16(x+y)2 - 81(x-2y)2
= {4(x+y)}2 - {9(x-2y)}2
= {4x+4y}2 - {9x- 18y}2
= {4x+4y - 9x +18y}{4x+4y +9x - 18y}
= {-5x + 22y}{9x - 14y}
  • 0
DEAR STUDENT ,

16(x+y)2 - 81(x-2y)2
= {4(x+y)}2 - {9(x-2y)}2
= {4x+4y}2 - {9x- 18y}2
= {4x+4y - 9x +18y}{4x+4y +9x - 18y}
= {-5x + 22y}{9x - 14y}
  • REGARDS
  • -1
DEAR STUDENT ,

16(x+y)2 - 81(x-2y)2
= {4(x+y)}2 - {9(x-2y)}2
= {4x+4y}2 - {9x- 18y}2
= {4x+4y - 9x +18y}{4x+4y +9x - 18y}
= {-5x + 22y}{9x - 14y}
  • REGARDS

  •  
  • -2
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