Mathematics 4024 · O Level · Algebraic manipulation

Algebraic manipulation — practice question

(a)[1]

Factorise the expression $9p^2 - q^2$.

(b)[2]

Factorise the expression $ac - 3bc + a - 3b$.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$(3p+q)(3p-q)$” …

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