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April 24, 2014

April 24, 2014

Posted by **Unknown** on Wednesday, August 29, 2012 at 11:20am.

1. x-3x^1/2+2=0

- Algebra2 -
**Steve**, Wednesday, August 29, 2012 at 11:43amlet u = x^1/2. then you have

u^2 - 3u + 2 = 0

(u-2)(u-1) = 0

u = 1 or 2

so, x^1/2 = 1 or 2

x = 1 or 4

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