a(a-b) + 2a(2b + a)
Answers
Answered by
2
Answer:
3a² + 3ab
Step-by-step explanation:
a(a - b) = a² - ab
2a(2b +a) = 4ab +2a²
a² - ab +4ab + 2a²
Collect like terms
a² + 2a² -ab + 4ab = 3a² +3ab
Similar questions