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O-LevelMathematicsAlgebra and graphs4024/11 · Oct/Nov 2014 · Q52 Marks

Factorise 2ac3bc-6bd + 4ad.

Factorise 2ac3bc-6bd + 4ad.[2]

Mark scheme

Marking points from the official mark scheme (Oct/Nov 2014). The mark or mark type is shown in brackets.

[2] (2a-3b)(c+2d)
B1 for one of the partial factorisations c(2a-3b); 2d(2a – 3b); 2a(c + 2d); -3b(c + 2d) or their negatives, seen.

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About this question

Topic: Algebra and graphs, O-Level Mathematics (syllabus 4024). Structured question, 2 marks.
Source: O-Level Mathematics, Oct/Nov 2014 Paper 1 Variant 1, question 5.

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