0580/33 May/Jun 2025, Question 11: Expand and Simplify
Cambridge IGCSE Mathematics 0580 · Paper 33 (Core) · Calculator · 4 marks
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The question, in short
Expand and simplify a linear expression with brackets, then factorise a two-term quadratic expression.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Part (a) · 2 marks
Expand 5(x − 2) + 3(x − 7) and simplify to a single expression.
- 15x − 10 + 3x − 21
- 2= 8x − 31
Answer8x − 31
Part (b) · 2 marks
Factorise 4a² + 16a fully.
- 1Common factor of 4a² and 16a is 4a
- 24a² + 16a = 4a(a + 4)
Answer4a(a + 4)
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Also searched as: 0580/33/M/J/25 · 0580_s25_qp_33 · 0580 s25 33 · question 11.
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