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Solve the Equation in the Real Number System $x ^ { 3 } + 3 x ^ { 2 } - 8 x + 10 = 0$

Question 167

Multiple Choice

Solve the equation in the real number system.
- $x ^ { 3 } + 3 x ^ { 2 } - 8 x + 10 = 0$

A) $\{ 1 \}$
B) $\{ 5 \}$
C) $\{ - 5,5 \}$
D) $\{ - 5 \}$

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