Eleanor Al H.

asked • 07/03/16

Factor x^5-y^5

Factor x^5-y^5
 

Austin S.

(x + y) ( x^4 - x^3y + x^2y^2 - xy^3 + y^4) = x^5 + y^5

(all the cross terms cancel when you multiply it out)

the fourth degree term can be factored into two quadratics, but the coefficients will be irrational numbers.

and the quadratics can be factored into linear factors with complex numbers appearing in them.
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07/03/16

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