Factor by Grouping $$x ^ { 3 } - 2 x ^ { 2 } + 9 x - 18$$

question 7

Multiple Choice

Factor by grouping.
- $$x ^ { 3 } - 2 x ^ { 2 } + 9 x - 18$$

• A) \(x \left( x ^ { 2 } - 2 x + 9 \right) - 18\)
• B) \(( x + 9 ) \left( x ^ { 2 } - 2 x \right) ( x - 2 )\)
• C) \(\left( x ^ { 2 } - 2 x \right) + 9 ( x - 2 )\)
• D) \(\left( x ^ { 2 } + 9 \right) ( x - 2 )\)

---

Definitions:

Adolescents

Individuals in the stage of development between childhood and adulthood, typically considered to be between the ages of 10 and 19.

Cremaster Muscle

A muscle that covers the testis and spermatic cord, involved in the reflex action of moving the testis closer to the body in response to cold or fear.

Vas Deferens

The duct that conveys sperm from the testicle to the urethra.

Spermatic Cord

A bundle of fibers and tissues in males that includes the vas deferens, blood vessels, nerves, and the cremaster muscle, responsible for supporting the testes.