ECZ 2016 · O-Level Paper 1 — Algebra
Simplify 3(a + 5) − a(a − 2).
- A. a² + 5a + 15
- B. 15 + 5a − a²
- C. 15 + a − a²
- D. 15 + 3a − a²
Verified working — step 1
3(a + 5) = 3a + 15; −a(a − 2) = …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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