(a(i))[2]
Determine the value of $y$ for $p = 3$, $x = 2$ and $t = -13$.
(a(ii))[3]
Rearrange the formula so that $x$ is expressed in terms of $p$, $t$ and $y$.
(b(i))[2]
Factorise the expression $15x^2 - 2x - 8$.
(b(ii))[1]
Solve the quadratic equation $15x^2 - 2x - 8 = 0$.
(c)[3]
Factorise completely the expression $x^3 - 16xy^2$.
(d)[4]
Simplify the expression $\frac{2x - 1 - 4ax + 2a}{2x^2 - x}$.