Answer:
The answer to your question is 3a²
Step-by-step explanation:
The correct Polynomial is
(4a² + b) − (a² + b)
Use the law of signs
4a² + b - a² - b
Use the associative property for like terms
(4a² - a²) + (b - b)
Simplify like terms
4a² - a² = 3a²
b - b = 0
Write the result
3a²
