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O-LevelMathematicsAlgebra and graphs4024/21 · Oct/Nov 2025 · Q243 Marks

Expand and simplify. (x-1)(x+3)(3x-4)

Mark scheme

Marking points from the official mark scheme (Oct/Nov 2025). The mark or mark type is shown in brackets.

  1. 24 3x³ + 2x² – 17x + 12 final answer [3] B2 for correct unsimplified expression or simplified expression with 3 terms correct in a 4-term expression of required form or B1 for correct expansion of two of the brackets with at least 3 terms out of 4 correct

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About this question

Topic
Algebra and graphs, O-Level Mathematics (syllabus 4024). Structured question, 3 marks.
Source
O-Level Mathematics, Oct/Nov 2025 Paper 2 Variant 1, question 24.

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