Solve the Equation by Completing the Square $$x ^ { 2 } + 4 x + 20 = 0$$

question 74

Multiple Choice

Solve the equation by completing the square.
- $$x ^ { 2 } + 4 x + 20 = 0$$

• A) \(\{ - 6,2 \}\)
• B) \(\{ - 2 - 4 i , - 2 + 4 i \}\)
• C) \(\{ - 2 + 4 i \}\)
• D) \(\{ - 2 - 16 i , - 2 + 16 i \}\)

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Definitions:

Nucleus

A membrane-bound organelle in eukaryotic cells that contains the genetic material.

Proenzyme

An inactive precursor of an enzyme, which requires a biochemical change to become active.

Active Enzyme

An enzyme in a form in which it can catalyze its specific biochemical reaction.

Protein

Complex molecules made up of amino acids that are essential for various bodily functions, including tissue repair, nutrient transport, and enzyme activity.