Answer:
+2
Step-by-step explanation:
Plus cancels minus
There are 4+ and 2 minus
+4 -2 = +2
The result is +2
You would combine like this:
17e=18
Then divide off the sides
17e/17e 18/17e which cross out the 17 e which leaves you with 1.1
Answer:
Final simplified form is 
Step-by-step explanation:
We have been given an expression 
Now we need to simplify
and check which choice matches with simplified form of
.
You missed to provide the choices but still we simplify that.



When there is negative sign inside square root then we replace that by "i" iota.

Hence final simplified form is 