Mathematics 4024 · O Level · Algebraic manipulation

Algebraic manipulation — practice question

(a)[2]

Expand then simplify $(4x - y)(2x + 5y)$.

(b)[2]

Simplify $\left(\frac{x^{12}}{8}\right)^{\frac{2}{3}}$.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Correct simplified expansion $8x^2+18xy-5y^2$” …