Question

1. (x+1)(x-1) Using Foil
2. (wx - y)^2 Foil

Answer 1

binomial

Answer 2

I'm Using Foil

Answer 3

it is also possible

Answer 4

(x+1)(x-1)

F: x^2
O: -x
I: x
L: -1

x^2 -x + x -1
x^ -1