Perform the Indicated Operation $\frac { 27 } { x ^ { 2 } - 4 x - 21 } - \frac { 4 } { x ^ { 2 } - 6 x - 7 }$

question 168

Multiple Choice

Perform the indicated operation. $\frac { 27 } { x ^ { 2 } - 4 x - 21 } - \frac { 4 } { x ^ { 2 } - 6 x - 7 }$

• A) \(\frac { 23 x + 15 } { ( x - 7 ) ( x + 3 ) ( x - 1 ) }\)
• B) \(\frac { 23 x + 15 } { ( x - 7 ) ( x + 3 ) ( x + 1 ) }\)
• C) \(\frac { 23 x + 15 } { ( x - 7 ) ( x - 3 ) ( x + 1 ) }\)
• D) No correct answer.

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Definitions:

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An implied comparison between two unlike things.

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