Multiply Using the Rule for Finding the Product of the Sum

question 8

Multiple Choice

Multiply using the rule for finding the product of the sum and difference of two terms.
- $$( x + 1 ) ( x - 1 )$$

• A) \(x ^ { 2 } - 2\)
• B) \(x ^ { 2 } + 2 x - 1\)
• C) \(x ^ { 2 } - 2 x - 1\)
• D) \(x ^ { 2 } - 1\)

---

Definitions:

Bronchioles

Small airways in the lungs that lead from the bronchi to the alveolar sacs, responsible for carrying air in and out of the lungs during respiration.

Intubation

The procedure of inserting a tube into the body, typically into the trachea for ventilation purposes.

Mucus Streaming

The movement or flow of mucus, typically in the respiratory tract, as a defense mechanism against irritants or infections.

Pandemic

An epidemic that has spread over a large geographical area, affecting a significant portion of the population.