ECZ 2017 · O-Level Paper 1 — Algebra
Factorise completely ax²y − 4ay³.
- A. ay(x − 4y)(x + y)
- B. ay(x − 2y)(x + 2y)
- C. a(x²y − 4y³)
- D. ay²(x² − 4y)
Verified working — step 1
Take out the common factor ay to get ay(x² − 4y²). Then x²…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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