Answer:
-16x^3 + 24x^2
Step-by-step explanation:
You just take the derivative of each part since they are all just a number multiplied by a variable that is brought to a power.
-4x^4 goes to -16x^3
8x^3 goes to 24x^2
3 goes to 0
so then you just add them together.
-16x^3 + 24x^2 + 0
