SOLUTION: Mutiply and simplify sqrt (5) +2 * sqrt(5)- 2 I did this problem using the foil method. I do not know what to do after I used the foil method. I took an estimated guess of

Algebra ->  Radicals -> SOLUTION: Mutiply and simplify sqrt (5) +2 * sqrt(5)- 2 I did this problem using the foil method. I do not know what to do after I used the foil method. I took an estimated guess of       Log On


   



Question 146481: Mutiply and simplify sqrt (5) +2 * sqrt(5)- 2


I did this problem using the foil method. I do not know what to do after I used the foil method. I took an estimated guess of 5-2 sqrt (2).
Thanks!

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
sqrt (5) +2 * sqrt(5)- 2
SQRT5+2
SQRT5-2
--------------------
5+2SQRT5-2SQRT5-4 THE 2SQRT5-2SQRT5 TERMS CANCEL OUT.
5-4=1 ANSWER.