Evaluate D^-1 [ x^2 (x +1) ]

Evaluate D^-1 [ x^2 (x +1) ]

D^-1 [ x^2 (x +1) ] = D^-1 [ x^3 + x^2 ] = x^4/4 + x^3/3 + C . .answer

or

∫ x^2 (x +1) dx = ∫ (x^3 + x^2) dx = x^4/4 + x^3/3 + C . .