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Substitution into a known factorisation

Substitution into a known factorisation

Secondary 2
4 marks
TGM Original Questions
  1. Factorise \(3x^2-11x-20\).[2]
  2. Hence factorise \(3(t-2)^2-11(t-2)-20\) completely.[2]

Solution:

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Answer:(a) \((3x+4)(x-5)\) (b) \((3t-2)(t-7)\).

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