Question

Expand
(a+b)^2+(a-b)^2

there was a plus in between
u answered with a minus in between
=_=
anyways thanks as it helped me too​

Answer 1

(a+b)²+(a-b)²

a²+b²+2ab+a²+b²-2ab

2a²+2b²

2(a+b)²

Hope this helps

Thank you

Answer 2

Answer:

oo

actually I just copied and pasted

so I don't see weather it was + or -