(a)[2]
Simplify this expression. $7a - 4b - 2a + b$.
(b)[2]
Expand and simplify this expression. $3(2x - 3) + 5(x + 2)$.
(c)[3]
Solve this equation. $6x^2 - 2x - 9 = 0$. Show all your working and give your answers correct to $2$ decimal places.
(d(i))[1]
Write as a single fraction in its simplest form for this expression. $\frac{x}{4} \div \frac{2}{y}$.
(d(ii))[3]
Write as a single fraction in its simplest form for this expression. $\frac{3}{x-5} - \frac{7}{2x+1}$.