We have been given an expression 
. We are asked to factor the given expression by grouping.
First of all, we will make two groups of our expression as:
Now we will factor of greatest common factor from each group.
Now we will factor out common terms 
as:
Therefore, the factorized form of our given expression would be .
Answer:
BN
NB
Step-by-step explanation:
Answer:
It should be 1/25
Step-by-step explanation:
If you only have those answers then answer D
Answer:
-7j-k-1
Step-by-step explanation:
You simply put 40 over a hundred and 55 over n (which is the number were trying to find) so you do cross multiplication. 55 times a hundred and after you get the answer. You divide it by 40 and should get 137.5.
