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0580/12 Oct/Nov 2025, Question 21: Index Laws with Letters

Cambridge IGCSE Mathematics 0580 · Paper 12 (Core) · Non-calculator · 2 marks

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The question, in short

Simplify the fraction 18x⁸ divided by 9x², giving the result in its simplest form.

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

Solution · 2 marks

  1. 118 ÷ 9 = 2 and x⁸ ÷ x² = x⁶
  2. 2= 2x⁶

Answer2x⁶

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