# Complex Numbers

### Problems

Problem : Find all roots, real and complex, of the following polynomial: x 2 + 4 .

Problem : Find all roots, real and complex, of the following polynomial: x 4 - x 3 - x 2 - x - 2 .

Problem : If is a root of a polynomial, what must one other root be?

Problem : Find all roots, real and complex, of the following polynomial: x 3 +4x 2 + 25x + 100 .

Problem : Find all roots, real and complex, of the following polynomial: x 4 +2x 2 - 3 .

Problem : Find all roots, real and complex, of the following polynomial: x 8 +2x 7 +4x 6 +8x 5 - x 4 -2x 3 -4x 2 - 8x .

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