ECZ 2021 · GCE Paper 1 — Algebra
Factorise completely 2x2 − x − 6.
- A. (2x − 3)(x + 2)
- B. (2x + 3)(x − 2)
- C. (x − 3)(2x + 2)
- D. (2x + 1)(x − 6)
Verified working — step 1
With a leading coefficient of 2, split the middle term: find two numbers multiplying to 2 × (-6) = -12 and adding to -1.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.
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