find the volume of a prism whose dimensions are x cm, (x+2) cm and (x-1) cm in its simplest form

Answer 1

What kind of a prism?

https://www.varsitytutors.com/hotmath/hotmath_help/topics/volume-of-a-prism

Answer 2

I think maybe it is assumed a rectangular prism ?

(x^2+2x)(x-1) = x^3 + x^2 - 2x