The number N of spheres in a pile is polynomial function given byN(s) = 1/6s^3 + 1/2s^2 + 1/3s where s is

Question

The number N of spheres in a pile is polynomial function given by

N(s) = 1/6s^3 + 1/2s^2 + 1/3s where s is

the number of layers and N(s) is the number of spheres. Find an equivalent expression for the function by factoring out a common factor.

Math