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Factorise completely $4x^2 - 8xy$.
Mathematics 0580 · IGCSE · Algebraic manipulation
Factorise completely $4x^2 - 8xy$.
This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Method: rewriting the expression in a form equivalent to $4(x^2 - 2xy)$” …