Question

need help with the following brake it down step by step please ..(a − b)2 = a2 − 2 · a · b + b2

Answer 1

am here is just that am also at worek
but oi will apreciate if the answer is broken down so i will understand it
ty

Answer 2

the 2 power disrupted like this a power of then the sing in the middle the the power (2) multiply by both variables (a,b) then + square last variable (b)

Answer 3

am reading it and trying to understand it i do apreciate u are helping