0580/22 May/Jun 2026, Question 19: Expanding triple brackets
Cambridge IGCSE Mathematics 0580 · Paper 22 (Extended) · Non-calculator · 3 marks
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The question, in short
Expand (3x + 1)(x + 4)(x − 2) and simplify.
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Solution · 3 marks
- 1(x + 4)(x − 2) = x² + 2x − 8
- 2(3x + 1)(x² + 2x − 8) = 3x³ + 6x² − 24x + x² + 2x − 8
- 3= 3x³ + 7x² − 22x − 8
Answer3x³ + 7x² − 22x − 8
Stuck on a step? Read the free lesson: Further Expansion
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Also searched as: 0580/22/M/J/26 · 0580_s26_qp_22 · 0580 s26 22 · question 19.
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