Question

a=3
b=-1

2a^2 -2ab +b^2

Answer 1

Plug it in. The equation would read: \[\large \large 2(3)^2 - 2(3)(-1) + (-1)^2\] Do you agree or disagree?

Answer 2

18+6+1

Answer 3

=25

Answer 4

Right?

Answer 5

Yes, good job. :)
Sorry for late response.

Answer 6

It's fine. Thank you!