Mathematics 0580 · IGCSE · Equations

Equations — practice question

(a)[2]

Simplify $\frac{24u}{5y} \times \frac{10}{3u}$.

(b)[3]

Expand and simplify $(x-1)(x+2)(x+3)$.

(c)[4]

Solve the equation $2x^2+x-5=0$. Show all your working, and give each answer correct to 2 decimal places.

Worked solution & mark scheme

This 9-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The answer is $\frac{16}{y}$” …