Question

find this one plz fast​

Answer 1

Answer:

1) (a+b) 2 = a2 + 2ab + b2

2) (a-b) 2 = a2 - 2ab + b2

3) (a2 - b2) = (a+b) (a-b)

Answer 2

1goes with 2

2 goezwith 3

3goes with 4th

and (a+b)(a+b) is also (a+b)^2 but it's not standard one