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Substitution expansion and a common factor
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Substitution expansion and a common factor
IP 1
4 marks
TGM Original Questions
Find \(3a-2b\) when \(a=-2\) and \(b=5\).
[1]
Expand and simplify \(3(2x-5)-2(x+4)\).
[2]
Factorise \(6x+9\) completely.
[1]
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Answer:
(a) \(-16\) (b) \(4x-23\) (c) \(3(2x+3)\)
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