(a(i))[3]
Solve the equation $6(7-2x)=3x-8$.
(a(ii))[3]
Solve the equation $\dfrac{2x}{x-5}=\dfrac{2}{3}$.
(b(i))[3]
Factorise completely the expression $2x^2-288y^2$.
(b(ii))[2]
Factorise completely the expression $5x^2+17x-40$.
(c)[5]
Solve the equation $x^3+4x^2-17x=x^3-9$. Give your answers correct to 2 decimal places.