ECZ 2016 · O-Level Paper 1 — Algebra
Factorise completely km − 6ln + 3kn − 2lm.
- A. (k + 2l)(m − 3n)
- B. (k − 2l)(m − 3n)
- C. (k + 2l)(m + 3n)
- D. (k − 2l)(m + 3n)
Verified working — step 1
Four terms with no overall common factor suggests factorising by GROUPING - rearrange so each pair leaves the same bracket.The full step-by-step working and final answer are included with Premium — checked against ECZ marking standards.
Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.
Have a different question?
Search it — if it is from a past paper or a school mock, chances are we have it worked out, or one that uses the same method.
Search any past-paper question