Divide and Simplify $$\frac { x ^ { 2 } - 9 } { x } \div \frac { 7 x + 21 } { x - 3 }$$

question 133

Multiple Choice

Divide and simplify.
- $$\frac { x ^ { 2 } - 9 } { x } \div \frac { 7 x + 21 } { x - 3 }$$

• A) \(\frac { ( x - 3 ) ^ { 2 } } { 7 x }\)
• B) \(\frac { 7 x } { ( x - 3 ) ^ { 2 } }\)
• C) \(\frac { ( x - 3 ) ^ { 2 } } { x }\)
• D) \(\frac { 7 ( x + 3 ) ^ { 2 } } { x }\)

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Definitions:

Flexibility

The ability of joints to move through their full range of motion, crucial for overall mobility and injury prevention.

Body Composition

The percentages of fat, bone, water, and muscle in the human body, indicating the level of fitness and health.

Muscular Strength

The maximal force a muscle or muscle group can exert during a single effort.

Self-efficacy Expectations

An individual's belief in their ability to succeed in specific situations or accomplish a task, which can influence their actions and motivation.