Factoring X^4 + X^2 + (2^0.5)X + 2

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X^4 + X^2 + (2^0.5)X + 2 - how may this expression be factorized?
 
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peripatein said:
X^4 + X^2 + (2^0.5)X + 2 - how may this expression be factorized?

What have you tried so far?

RGV
 
I picked up this problem from the Schaum's series book titled "College Mathematics" by Ayres/Schmidt. It is a solved problem in the book. But what surprised me was that the solution to this problem was given in one line without any explanation. I could, therefore, not understand how the given one-line solution was reached. The one-line solution in the book says: The equation is ##x \cos{\omega} +y \sin{\omega} - 5 = 0##, ##\omega## being the parameter. From my side, the only thing I could...
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