ECZ 2023 · O-Level Paper 1 — Quadratic Equations

Solve the equation x2 = 4(x - 3)2.

  • A. x = 2 only
  • B. x = -2 or x = -6
  • C. x = 6 only
  • D. x = 2 or x = 6

Verified working — step 1

x2 = 4(x - 3)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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