Clear Parentheses and Combine Like Terms $$- 2 t ^ { 2 } + 6 t - 13 t ^ { 2 } - 21 t + 12$$

question 62

Short Answer

Clear parentheses and combine like terms. $$- 2 t ^ { 2 } + 6 t - 13 t ^ { 2 } - 21 t + 12$$

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Definitions:

Cerebrospinal Fluid

A clear, colorless body fluid found in the brain and spinal cord, acting as a cushion and delivering nutrients to the central nervous system while removing waste.

Cerebral Aqueduct

A narrow channel in the brain that connects the third and fourth ventricles, allowing cerebrospinal fluid to flow between them.

Thalamus

A structure in the brain that relays sensory information to the cerebral cortex and regulates consciousness, sleep, and alertness.

Sensory Impulses

Electrical signals generated at the sensory receptors that convey information from the body and the external environment to the central nervous system for processing.