Add or Subtract $\frac { 1 } { ( x - 3 ) ( x + 3 ) } - \frac { 3 } { ( x + 3 ) ( x - 1 ) }$

question 125

Multiple Choice

Add or subtract.
- $\frac { 1 } { ( x - 3 ) ( x + 3 ) } - \frac { 3 } { ( x + 3 ) ( x - 1 ) }$

• A) \(\frac { - 2 ( x - 4 ) } { ( x - 3 ) ( x + 3 ) ( x - 1 ) }\)
• B) \(\frac { 2 ( 2 x - 5 ) } { ( x - 3 ) ( x + 3 ) ( x - 1 ) }\)
• C) \(\frac { 2 ( x - 4 ) } { ( x - 3 ) ( x + 3 ) ( x - 1 ) }\)
• D) \(\frac { - 2 ( x - 2 ) } { ( x - 3 ) ( x + 3 ) ( x - 1 ) }\)

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Definitions:

Net Income

The total earnings of a company after subtracting all costs and expenses from revenue.

Net Cash Flow

The difference between a company's cash inflows and outflows over a period, indicating overall liquidity.

Compound Interest

Interest calculated on the initial principal and also on the accumulated interest of previous periods, leading to exponential growth of the investment or loan.

Present Value

The current value of a future amount of money or stream of cash flows, given a specified rate of return.