Lemmara logoLemmaraWorked solution

0580/13 May/Jun 2026, Question 12: Simple Factorising

Cambridge IGCSE Mathematics 0580 · Paper 13 (Core) · Non-calculator · 2 marks

اقرأ هذا الحل مشروحاً بالعربي ←

The question, in short

Factorise the expression 5c − 15c²d fully.

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

Solution · 2 marks

  1. 1HCF of 5c and 15c²d is 5c
  2. 25c − 15c²d = 5c(1 − 3cd)

Answer5c(1 − 3cd)

Stuck on a step? Read the free lesson: Simple Factorising

Practise more simple factorising questions

Real 0580 past-paper questions, marked on your working like the exam, with a worked solution for every part.

Practise free on Lemmara

More past-paper questions on simple factorising

Also searched as: 0580/13/M/J/26 · 0580_s26_qp_13 · 0580 s26 13 · question 12.
Lemmara is an independent study tool, not affiliated with or endorsed by Cambridge International Education. The worked solutions are Lemmara’s own.