(a) On the axes, sketch the graph of \(y=(2 x-5)(x+3)(1-x)\), stating the intercepts with the coordinate axes.

(b) Hence (i) solve the inequality \((2 x-5)(x+3)(1-x) \leqslant 0\)

(ii) on the axes below, sketch the graph of \(y=|(2 x-5)(x+3)(1-x)|\).