The way that you would do this is by taking

out of the binomial, or as I like to think about it, 'un-distributing'. :p

out of

, you end up with

.
When you take

out of

, you get

.
Put it together, and the solution is

-

.
Hope I helped!!
1/2, 3/8, 1/7 hopefully I am right I’m not sure
Answer:
The first answer, 3 times the square root of x squared is correct.
Communicative prop of multiplication because the numbers are moving