Find All Solutions $$x ^ { 3 } + 2 x ^ { 2 } - x - 2 = 0$$

question 68

Multiple Choice

Find all solutions.
- $$x ^ { 3 } + 2 x ^ { 2 } - x - 2 = 0$$

• A) \(\{ 1 , - 2,2 \}\)
• B) \(\{ 4 \}\)
• C) \(\{ - 1,1 , - 2 \}\)
• D) \(\{ - 2,2 \}\)

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