ECZ 2021 · O-Level Paper 1 — Algebra
Factorise completely 3x3 - 12xy2.
- A. 3x(x - 2y)(x + 2y)
- B. 3(x - 2y)(x + 2y)
- C. x(3x - 12y2)
- D. 3x(x2 - 4y2)
Verified working — step 1
3x3 - 12xy2The full step-by-step working and final answer are included with Premium — checked against ECZ marking standards.
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