Question

(a-b) 2 = a 2 - 2 ab​

Answer 1

Answer:

b^2

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

Prove;

(a - b)^2 =

(a - b)(a - b) =. Now use FOIL to multiply.

a^2 - ab - ba + b^2 =

a^2 - 2ab + b^2

Note the - sign on the second term.

Answer 2

Answer:

not equal

Step-by-step explanation: