SOLUTION: how do you complete the trinomial sqaure when you are given the problem x^2-4x=8?

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Question 322064: how do you complete the trinomial sqaure when you are given the problem x^2-4x=8?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
x^2-4x=8
x^2-4x+4=8+4
(x-2)^2=12
x-2=sqrt12
x-2=3.4641
x=3.4641+2
x=5.4641 ans.