SOLUTION: solve by completing the square show work for credit 2x^2+6x-2=0 please solve, thanks.

Question 51340: solve by completing the square show work for credit
2x^2+6x-2=0
please solve, thanks.
Answer by darq(90) (Show Source): You can put this solution on YOUR website!
2x^2+6x-2=0
first eliminate (x^2)'s coefficient by dividing both sides with 2
x^2+3x-1=0

then take x's coefficient (3) divide it with 2 now you have one and a half . and take 's square we have . so in order to have a perfect square we need to convert (-1) to . we will do it by adding 1 + to each side which is equal to

(x+(3/2))^2=13/4

now we will find two possible answers;

and

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