Respuesta :

Answer And Step-by-step Explanation :

a^2 + b^2 = (a + b)^2 - 2ab

Answer: 2a+2b

Step-by-step explanation:

If this is just algebra, then all you need to do is simplify the expression.

it is basically just:

a×a+b×b

So it is basically just: 2a+2b

I dunno if this is correct, but this is how I was taught. :)