Deriving factors of integers

Deriving factors of integers

Secondary 2
4 marks
TGM Original Questions

Factorise \(2a^2+11a+12\), then use a suitable value of \(a\) to give two non-trivial factors of \(322\).[4]

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Answer:\((2a+3)(a+4)\); choosing \(a=10\) gives \(322=23\times14\).

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