Am I right in saying you cannot factorise the expression x^n+1 where n if greater or equal to 3 is odd?

apart from x^3 which would be (x+1)(x^2-x+1)

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- Sep 8th 2010, 11:34 AMMukilabfactorising indices
Am I right in saying you cannot factorise the expression x^n+1 where n if greater or equal to 3 is odd?

apart from x^3 which would be (x+1)(x^2-x+1) - Sep 8th 2010, 11:45 AMyeKciM