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OpenStudy (anonymous):
2x^2-8x+4=0 Solve by completing the square
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OpenStudy (anonymous):
x^2-4x+2=0 x^2-4x+4-4+2=0 (x-2)^2-2=0 (x-2)^2=2 (x-2)=+,- sqrt2 x=2+,- sqrt2
OpenStudy (anonymous):
Thank you.
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