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Back to Edexcel Mathematics Paper 1 Sample Assessment Home 
Paper 1 Higher - Sample Assessment Q16 Answers
16) Factorise fully 20x2 – 5

(2 marks)

Answers
Question
Answer
Notes
16
5(2x+1)(2x–1) 
M1 - for 5(4x^2 –1)
​A1
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