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Any polynomial have complex solutions, so write down complex solution.

It's not abstract algebra, it's basic complex algebra, where you take the set of real numbers R union R times i, where i is defined as square root of -1.

We call this new set C, it is easy to show it's a closed field.

Every element in C looks like a + bi where a, b are real. i un fortunately is not.

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14y ago

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