Mathematics 0580 · IGCSE · Algebraic manipulation

Algebraic manipulation — practice question

(a)[1]

Factorise the expression $9w^2 - 100$.

(b)[2]

Factorise the expression $mp + np - 6mq - 6nq$.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Fully factorised form: $(3w+10)(3w-10)$” …

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