8x^2 - 2x = 1?
Question
Updated 7/18/2014 4:22:15 AM
This conversation has been flagged as incorrect.
Edited by andrewpallarca [7/18/2014 4:20:27 AM], Flagged by andrewpallarca [7/18/2014 4:22:15 AM]
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User: 8x^2 - 2x = 1?

Loula|Points 1133|

Question
Updated 7/18/2014 4:22:15 AM
This conversation has been flagged as incorrect.
Edited by andrewpallarca [7/18/2014 4:20:27 AM], Flagged by andrewpallarca [7/18/2014 4:22:15 AM]
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8
8x^2 - 2x = 1;
8x^2 - 2x - 1= 0;
(4x + 1)(2x - 1) = 0
(4x + 1) = 0; 4x = -1, x = -1/4 or (2x - 1) = 0; 2x = 1; x = 1/2

Solution set: {x = -1/4, x = 1/2}

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