ECZ 2020 · O-Level Paper 1 — Quadratic Equations
Solve the equation 5x² = x.
- A. x = 15only
- B. x = 0 or x = 15
- C. x = 0 or x = 5
- D. x = ±15
Verified working — step 1
5x² - x = 0 ⇒ x(5x - 1) = 0 ⇒ x = 0 or x = …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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