Question

(ab² + 4ab - 4a²) - ( -ab² + 4ab - 3a²)​

Answer 1

Answer:

ab^2 +4ab -4a^2 +ab^2-4ab+3a^2

Step-by-step explanation:

2ab^2 -a^2

Answer 2

Step bat step explaination : ab^2 + 4ab - 4a^2 + ab^2 - 4ab + 3a^2

= 2ab^2 + 8ab - 7a^2