Express $\frac{x}{2} - \frac{2x + 4}{x + 1}$ as one fraction, and give it in simplest form.
Worked solution & mark scheme
This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$\frac{x^2-3x-8}{2(x+1)}$ or $\frac{x^2-3x-8}{2x+2}$” …