Factor Completely $25 x - 16 x ^ { 3 }$

question 4

Multiple Choice

Factor completely.
- $25 x - 16 x ^ { 3 }$

• A) \(x ( 5 + 4 x ) ^ { 2 }\)
• B) prime
• C) \(x ( 5 - 4 x ) ( 5 - 4 x )\)
• D) \(x ( 5 + 4 x ) ( 5 - 4 x )\)

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Definitions:

Electroencephalography

A method of recording electrical activity of the brain through electrodes placed on the scalp.

Reticular Formation

A network of neurons located in the brainstem that plays a key role in controlling arousal, wakefulness, and focusing attention.

Sleep

A state of rest characterized by altered consciousness, reduced activity, and a decreased response to external stimuli.

Arousal

A physiological and psychological state of being awake or reactive to stimuli, often associated with increased heart rate, alertness, and energy.