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October 2, 2014

October 2, 2014

Posted by **Chelsea** on Tuesday, January 31, 2012 at 7:38pm.

x^4 + 20x^2 -44=0

- Math -
**Reiny**, Tuesday, January 31, 2012 at 8:28pm(x^2 + 22)(x^2 - 2)= 0

(x + √22i)(x - √22i)(x+√2)(x-√2) = 0

x = ± √22i or x = ± √2

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