Answer:
6x^3 + 24x^2
Step-by-step explanation:
We need to find (f * g)(x)
If we distribute the "x" here, we should get f(x) * g(x), which is what we have to solve for
f(x) * g(x) = 6x(x^2 + 4x)
= 6x^3 + 6x(4x)
= 6x^3 + 24x^2
This is the simplest expression you can get
