Mathematics 4024 · O Level · Algebraic manipulation

Algebraic manipulation — practice question

Factorise this expression.
(a)[1]

Original expression: $49 - 9t^2$.

(b)[2]

Expanded expression: $15xy + 5x - 6y - 2$.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Factorised form: $(7+3t)(7-3t)$.” …

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