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solve x^2 + 2x + 17 = 0

a. x = -1+4i or x = -1 -4i
b. x = -1 + 8i or x = -1 - 8i
c. x = 1+ 8i or x = 1 - 8i
d. x = 1 + 4i or x = 1 - 4i

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The correct answer is c. x = 1 + 4i or x = 1 - 4i.

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