SOLUTION: solve by completing the square: {{{x^2-4x+10=0}}} My work: {{{x^2-4x=-10}}} then do half of four which is 2, then do 2times 2 and get 4. {{{X^2-4x+4=-10+4}}} {{{X^2-4x

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Question 697148: solve by completing the square:

My work:
then do half of four which is 2, then do 2times 2 and get 4.


(x-2)(x-2)=-6
(x-2)=plus or mine
x=2 plus or minus

Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
solve by completing the square:

My work:
then do half of four which is 2, then do 2times 2 and get 4.


(x-2)(x-2)=-6



----
i = sqrt(-1)
=========================
(x-2)=plus or mine
x=2 plus or minus ***** correct except for the i

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