Mathematics 0580 · IGCSE · Algebraic manipulation

Algebraic manipulation — practice question

(a)[1]

Factorise $m^3+m$.

(b)[1]

Factorise $25-y^2$.

(c)[2]

Factorise $x^2+3x-28$.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The factorised form is $m(m^{2}+1)$.” …