F= x^3 + 2x + 1 irreducable in Z5 (Z subscript 5) i have tried EC looking at F(x+1) which doesnt work for me. Cant think of what else to try. Help much appreciated
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Originally Posted by Niall101 F= x^3 + 2x + 1 irreducable in Z5 (Z subscript 5) i have tried EC looking at F(x+1) which doesnt work for me. Cant think of what else to try. Help much appreciated Just check if any element in $\displaystyle \mathbb{Z}_5$ solves the polynomial.
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