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0580/43 Oct/Nov 2025, Question 6: Index Laws with Letters

Cambridge IGCSE Mathematics 0580 · Paper 43 (Extended) · Calculator · 3 marks

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The question, in short

Simplify two algebraic expressions: a quotient of powers of y, and a product of two terms involving x.

Summarised in our own words. Use the official paper for the exact wording and any diagrams.

Part (a) · 1 mark

Simplify y⁵ divided by y².

  1. 1Subtract the indices: y⁵⁻²
  2. 2= y³

Answery³

Part (b) · 2 marks

Simplify 3x³ multiplied by 5x⁵.

  1. 13 × 5 = 15
  2. 2x³ × x⁵ = x⁸
  3. 315x⁸

Answer15x⁸

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Also searched as: 0580/43/O/N/25 · 0580_w25_qp_43 · 0580 w25 43 · question 6.
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