Problem 107 of 7
Solve x^2+2x+2=0 and express complex solutions using i.
Hints
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simplify square roots of negatives using i.
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Quadratic must have negative discriminant.
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Correct
Your answer is equivalent to the expected form.
Solution
Walkthrough
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Full solution stays hidden until you ask for it.
1. Use square roots or the quadratic formula.
2. Rewrite sqrt(-n) as i sqrt(n).
3. Simplify and list the conjugate pair.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Leaving square roots of negative numbers unsimplified when i-form is requested.