0580/12 Oct/Nov 2025, Question 25: Expanding Two Brackets
Cambridge IGCSE Mathematics 0580 · Paper 12 (Core) · Non-calculator · 4 marks
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The question, in short
Expand and simplify the product of two binomials, then factorise a two-term expression involving x cubed and x.
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Part (a) · 2 marks
Expand and simplify (x − 5)(x + 2).
- 1(x − 5)(x + 2) = x² + 2x − 5x − 10
- 2= x² − 3x − 10
Answerx² − 3x − 10
Part (b) · 2 marks
Factorise 5x³ + 10x.
- 1Common factor 5x
- 25x³ + 10x = 5x(x² + 2)
Answer5x(x² + 2)
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Also searched as: 0580/12/O/N/25 · 0580_w25_qp_12 · 0580 w25 12 · question 25.
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