(a)[2]
Solve for $x$ in the inequality $5x - 3 > 9$.
(b(i))[2]
Factorise completely the expression $xy - 18 + 3y - 6x$.
(b(ii))[3]
Factorise completely the expression $8x^2 - 72y^2$.
(c)[4]
Make $r$ the subject in the formula $p + 5 = \frac{1 - 2r}{r}$.
Worked solution & mark scheme
This 11-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Therefore, $x>\frac{12}{5}$.” …
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