The Following Problem Involves Some Factoring by Grouping

question 169

Multiple Choice

The following problem involves some factoring by grouping. Remember, before you can divide out factors common to the numerator and denominator of a product, you must factor completely.

---

Definitions:

Neurotransmitter

Chemical substances in the brain that transmit signals from one neuron to another, playing a major role in shaping everyday functions and mood.

Excitatory

Referring to substances or signals that increase the activity of the brain or other body systems, potentially leading to heightened arousal or action.

GABA

GABA (gamma-aminobutyric acid) is the main inhibitory neurotransmitter in the nervous system, playing a critical role in reducing neuronal excitability and regulating muscle tone.

Glutamate

An amino acid that acts as a neurotransmitter in the central nervous system.