Answer: 12x³ + 5
Step-by-step explanation:
The given equation is 4x³ + 16x² ÷ 2x + 5.
Divide 16x² by 2x to get 8x². (4x³ + 8x²x + 5)
To multiply powers of the same base, add their exponents, add 2 and 1 to get 3. (4x³ + 8x³ + 5)
Add 4x³ and 8x³ to get 12x³. (12x³ + 5)