• Math

  Class 8 : Factorisation

  Posted by Shalini on June 23, 2023 at 8:19 pm

  Factorise the following expression.

  p²−10p+25

  Vaishali replied 3 months ago 2 Members · 1 Reply
• 1 Reply

• 

  Vaishali

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  June 23, 2023 at 11:16 pm

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  Let,

  p² – 10p + 25

  p² – 2 × p × 5 + (5)²

  By using identity,

  (a – b)² = a² – 2ab + b²

  Therefore,

  p² – 2 × p × 5 + (5)² = (p – 5)² = (p – 5) (p – 5)

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