Perform the Indicated Operation $$\frac { - 5 } { x ^ { 2 } - 2 x } - \frac { 4 } { x ^ { 3 } - 2 x ^ { 2 } }$$

question 56

Multiple Choice

Perform the indicated operation. Simplify if possible.
- $$\frac { - 5 } { x ^ { 2 } - 2 x } - \frac { 4 } { x ^ { 3 } - 2 x ^ { 2 } }$$

• A) \(\frac { - 5 x - 4 } { x ^ { 2 } ( x - 2 ) }\)
• B) \(\frac { - 9 } { x ^ { 2 } ( x - 2 ) }\)
• C) \(\frac { - 5 x + 4 } { x ^ { 2 } ( x - 2 ) }\)
• D) \(\frac { 5 x - 4 } { x ^ { 2 } ( x - 2 ) }\)

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Definitions:

Payback Period

The amount of time it takes to recover the cost of an investment through its cash inflows.

Payback

The method of calculating the duration required to recover the cost of an investment, emphasizing the time it takes to reach a breakeven point.

Annual Cash Flows

The total amount of money being transferred into and out of a business, affecting its liquidity, over a year.

Required Rate

The minimum return that investors expect to earn from an investment, influencing many financial decisions.