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Solving by substitution

Solving by substitution

Secondary 2
4 marks
TGM Original Questions

Core stretch

  1. Solve \(x^2-5x-14=0\).[2]
  2. Hence solve \((y-1)^2-5(y-1)=14\).[2]

Solution:

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Answer:(i) \(x=7,-2\) (ii) \(y=8,-1\).

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