Mathematics 0580 · IGCSE · Algebraic manipulation

Algebraic manipulation — practice question

(a)[2]

Factorise completely the expression $42mk - 35m$.

(b)[1]

Factorise fully the expression $h^2 - 144$.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The factorised form is $7m(6k - 5)$.” …

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