(a(i))[2]
Expand the brackets, then write the expression in its simplest form: $4(2x + 5) - 5(3x - 7)$.
(a(ii))[2]
Expand and simplify: $(x - 7)^2$.
(b(i))[3]
Solve the equation $\frac{2x}{3} + 5 = -7$.
(b(ii))[3]
Solve the equation $4x + 9 = 3(2x - 7)$.
(b(iii))[3]
Solve the equation $3x^2 - 1 = 74$.