Mathematics 4024 · O Level · Algebraic manipulation

Algebraic manipulation — practice question

(a)[1]

Factorise $12t^2 - 4t$ by removing the common factor $4t$.

(b)[1]

Factorise $a(x-y) + b(y-x)$ by extracting the common factor $x-y$.

(c)[1]

Factorise $x^2 - 2x - 3$ by writing it as a product.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The correct factorisation is $4t(3t-1)$.” …