2025 CGSS PRELIMS P1 Q4

2025 CGSS PRELIMS P1 Q4

Secondary 4
3 marks
  1. Factorise completely \(m^3+30+5m+6m^2\).[2]
  2. Given that \(m\) is a positive integer, explain why \(m^3+30+5m+6m^2\) is not a prime number.[1]

Solution:

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Answer:(a) \((m+6)(m^2+5)\) (b) Both factors are integers greater than 1

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