(a)[3]
Expand the product and simplify $(2x - 1)(x + 4)(x - 3)$.
(b)[4]
Write the following as a single fraction in simplest form: $\frac{4}{2x - 3} \div \frac{2x^2 + 14x}{2x^2 + 11x - 21}$.
Mathematics 0580 · IGCSE · Algebraic fractions
Expand the product and simplify $(2x - 1)(x + 4)(x - 3)$.
Write the following as a single fraction in simplest form: $\frac{4}{2x - 3} \div \frac{2x^2 + 14x}{2x^2 + 11x - 21}$.
This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: “A correct expansion of $(x+3)(2x^2-x-4)$, or an equivalent result” …