Mathematics 0580 · IGCSE · Algebraic manipulation

Algebraic manipulation — practice question

(a)[2]

Factorise completely the expression $9t^2 - u^2$.

(b)[2]

Factorise completely the expression $2c - 4d - pc + 2pd$.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Hence, $(3t+u)(3t-u)$.” …

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