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

question 18

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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Definitions:

Trial And Error

A problem-solving method that involves attempting different solutions and eliminating those that do not work to find the correct one.

Mental Set

A cognitive bias that involves approaching a problem in a particular way, often a way that has been successful in the past.

Means-End Analysis

A problem-solving technique that involves breaking down the problem into smaller problems and achieving goals that direct an individual closer to the ultimate goal.

Noncompensatory Modeling

A decision-making approach where a shortfall in one attribute cannot be offset by a higher value in another attribute.