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anonymous
 one year ago
Hello! Please help me work through this quadratic equation (it must be solved by completing the square): 2x^2 + 4x + 1 = 0
anonymous
 one year ago
Hello! Please help me work through this quadratic equation (it must be solved by completing the square): 2x^2 + 4x + 1 = 0

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0do you have to complete the square here?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Yes! So far I have moved the constant to the LHS and have factored out the 2. I don't know where to go from there.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0don't factor out the 2 you have an equation, divide by 2

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0\[2x^2 + 4x + 1 = 0\\2x^2 + 4x =1\\ x^2+2x=\frac{1}{2}\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0then complete mr square half of 2 is 1, and 1 squared is 1 go to \[(x+1)^2=\frac{1}{2}+1\]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Ah, I see now. Okay, so from there I would have (x + 1)^2 = 1/2 and then x = 1 + or  radical 1/2

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Thank you! This helped a lot. Do you think that you can help me with one more problem? At least half way?
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