Question

How do you factor `36m^2-132mn+121n^2`?

Answer 1

I tried this:

Explanation:

This is the classic:

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

where in your case we have:

`a=6m` and `b=11n`

This can be factored as:

`(6m-11n)^2`