Mathematics 4024 · O Level · Algebraic manipulation

Algebraic manipulation — practice question

(a)[2]

Factorise $3-12a^2$ completely.

(b)[2]

Factorise the expression $x^2-6y+2xy-3x$.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Hence, $3(1-2a)(1+2a)$.” …

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