Question

How do you factor `a^2 - 2ab +b^2` ?

Answer 1

`(a - b)^2`

Explanation:

Break down the expression into a simpler form by regrouping and putting brackets.

`a^2 - 2ab +b^2`

`a^2 - ab - ab +b^2`

`a(a - b) - b(a - b)`

`(a - b) (a - b)`

`(a - b)^2`