Mathematics 0580 · IGCSE · Algebraic manipulation

Algebraic manipulation — practice question

(a)[2]

Factorise the expression $1 + x - y - xy$ completely.

(b)[3]

Factorise the expression $2x^3 - 18xy^2$ completely.

Worked solution & mark scheme

This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Fully factorised form: $(1+x)(1-y)$” …

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