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
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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) (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.
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