Factorisation by grouping

Factorisation by grouping

Secondary 2
TGM Original Questions

Factorise each of the following expressions completely.

  1. \(3m^2-4mn-6mp+8np\)
  2. \(x^3+3x^2-4x-12\)
  3. \(12-4a+3b-ab\)
  4. \(5x^2-20xy-3xz+12yz\)

Solution:

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Answer:(a) \((m-2p)(3m-4n)\); (b) \((x-2)(x+2)(x+3)\); (c) \((b+4)(3-a)\); (d) \((5x-3z)(x-4y)\).

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