Factorising a radical composite

Factorising a radical composite

Secondary 2
4 marks
TGM Original Questions

Optional extension

  1. Factorise \(x^2-7x+12\).[2]
  2. Hence, for \(p\ge1\), factorise \(p-7\sqrt{p}+12\).[2]

Solution:

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Answer:(a) \((x-3)(x-4)\) (b) \((\sqrt p-3)(\sqrt p-4)\).

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