Three consecutive integers

Three consecutive integers

Secondary 2
4 marks
TGM Original Questions

Optional extension

Three consecutive positive integers have a product equal to 40 times their sum.

  1. Form an equation in the middle integer \(x\) and simplify it.[2]
  2. Solve the equation and find the three integers.[2]

Solution:

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Answer:(i) \(x^3-121x=0\) (ii) \(10,11,12\).

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