ECZ 2013 · O-Level Paper 1 — Algebra
Simplify 2x - 9 + 3x2 - 2 - 4x.
- A. 3x2 - 2x - 11
- B. 3x2 + 2x - 11
- C. 3x2 - 6x - 11
- D. 3x2 - 2x - 7
Verified working — step 1
Collect like terms: 2x - 4x = -2x and -9 - 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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