Subtract Simplify, If Possible $$\frac { 9 } { x + 9 } - \frac { 9 } { x - 9 }$$

question 123

Multiple Choice

Subtract. Simplify, if possible.
- $$\frac { 9 } { x + 9 } - \frac { 9 } { x - 9 }$$

• A) \(\frac { 2 x ^ { 2 } } { x ^ { 2 } + 81 }\)
• B) 0
• C) \(\frac { 2 x ^ { 2 } - 162 } { x ^ { 2 } + 81 }\)
• D) \(\frac { - 162 } { x ^ { 2 } - 81 }\)

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