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Activity Discussion Math Class 8 : Factorisation

  • 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

    Member
    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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