ECZ 2016 · O-Level Paper 1 — Quadratic Equations
Solve the equation x2 = 3x.
- A. x = 0 or x = 3
- B. x = 3 only
- C. x = −3 or x = 3
- D. x = 0 or x = −3
Verified working — step 1
Bring everything to one side and factor out x - dividing by x instead would silently throw away a solution.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