Answer:
6x^3 +55x^2 +58x +16
Explanation:
If the given binomial expressions are the dimensions of a cuboid, the volume will be their product. We presume you want that in standard form.
V = (2x +1)(x +8)(3x +2)
= (x +8)(6x^2 +7x +2)
V = 6x^3 +55x^2 +58x +16