Sec 3/4 E Math T01-Q20 - Factorising and solving a quadratic equation

Sec 3/4 E Math T01-Q20 - Factorising and solving a quadratic equation

Secondary 3
Original parallel to Sec3&4 E Math FA
  1. Factorise \(x^2-x-2\) completely.
  2. Hence, solve the equation \(x^2-x-2=0\).

Solution:

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Answer:(a) \((x-2)(x+1)\); (b) \(x=2\) or \(x=-1\).

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