Answer:
3 - 2√5
-------------
2
Step-by-step explanation:
These two expressions have different denominators, and thus use of the LCD is necessary. The LCD is 4.
Thus, we have:
6/4 - (4/4)√5, or
6 - 4√5
-------------
4
This can be reduced to:
3 - 2√5
------------- (answer)
2
