MATHEMATICS · Multi-part · AoPS · Mathematics · Follow the Rules · Follow the Rules
Problem
A square sheet of metal has side (x+6)cm. Squares of side 2cm are cut from each corner and the sides are folded up to make an open box.
(i) Derive volume expression.
(ii) Simplify.
(iii) Factorise.
(iv) Integral values giving zero volume.