Question

The side length s of a cube is 4x^2+3.if V=s^3, what is the volume of the the cube

Answer 1

Volume of a cube = (side length)^3.

Here,

V = (4x^2 + 3)^3.  

If you wish, you could expand this using the rule for the cube of a binomial:

(a+b)^3 = a^3 + 3a^2*b + 3 a*b^2 + b^3.