Mathematics 0580 · IGCSE · Algebraic manipulation

Algebraic manipulation — practice question

(a)[2]

Simplify the expression $3(2a - b) - b$.

(b)[1]

Factorise the expression $x^2 - 8xy$.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The final result is $6a - 4b$.” …

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