Respuesta :
Answer:
-a^2 +2ab + b^2
Step-by-step explanation:
b (a+b) - a (a-b)
Distribute
ab +b^2 -a^2 +ab
Combine like terms
b^2 -a^2 +2ab
-a^2 +2ab + b^2
Answer:
-a^2 +2ab + b^2
Step-by-step explanation:
b (a+b) - a (a-b)
Distribute
ab +b^2 -a^2 +ab
Combine like terms
b^2 -a^2 +2ab
-a^2 +2ab + b^2