Mathematics 4024 · O Level · Algebraic manipulation

Algebraic manipulation — practice question

Expand, then simplify.

(a(i))[2]

$(x-4)(x+3)$

(a(ii))[2]

$-2(2x-1)+5(x+2)$

(b)[2]

Express $\frac{4b}{3}+\frac{5b}{9}$ as one fraction in simplest form.

Worked solution & mark scheme

This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Working out $(x+3)(x-4)$” …