Solve the Polynomial Equation in the Complex Numbers $$x ^ { 3 } + 2 x ^ { 2 } - 6 x + 8 = 0$$

question 82

Multiple Choice

Solve the polynomial equation in the complex numbers.
- $$x ^ { 3 } + 2 x ^ { 2 } - 6 x + 8 = 0$$

• A) \(\{ 1 + i , 1 - i , - 4 \}\)
• B) \(\{ 1 + i , 1 - i , 4 \}\)
• C) \(\{ 1 + i , 1 - i , 4 i \}\)
• D) \(\{ - 4,4 \}\)

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