Simplify the Rational Expression $\frac { 3 x ^ { 2 } - 27 } { 18 - 6 x }$

question 83

Multiple Choice

Simplify the rational expression.
- $\frac { 3 x ^ { 2 } - 27 } { 18 - 6 x }$

• A) \(\frac { x ^ { 2 } - 9 } { 3 - x }\)
• B) \(- \frac { x + 3 } { 2 }\)
• C) \(\frac { x + 3 } { 2 }\)
• D) \(- 2 ( x + 3 )\)

---

Definitions:

Replacement-level Fertility

The fertility rate that maintains a population's size across generations, usually about 2.1 children per woman in most developed countries.

Average Replacement-level

The fertility rate at which a population exactly replaces itself from one generation to the next, without migration.

Actual Average

The true or exact mean calculated from a set of data, as opposed to an estimated or theoretical average.

Rhythm Method

A form of natural family planning based on tracking the menstrual cycle to predict fertile days to avoid or achieve pregnancy.