Question

How do you factor `25y^2-10y+1`?

Answer 1

`(5y-1)^2`

Explanation:

`25y^2-10y+1`

Factorise.

`25y^2-5y-5y+1`

`5y(5y-1)-1(5y-1)`

`(5y-1)(5y-1)`

`(5y-1)^2`