Solved

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) $\frac { - 162 } { x ^ { 2 } - 81 }$

Related Questions

Q115: Simplify. - <span class="ql-formula" data-value="\frac { y

Q116: Find all numbers for which the

Q117: Add. Simplify, if possible. - <span class="ql-formula"

Q118: Subtract. Simplify, if possible. - <span class="ql-formula"

Q119: Add. Simplify, if possible. - <span class="ql-formula"

Q120: Add, first finding the LCD. Simplify,

Q121: Add. Simplify, if possible. - <span class="ql-formula"

Q122: Divide and simplify. - <span class="ql-formula" data-value="\frac

Q124: Find all numbers for which the

Q125: Add. Simplify, if possible. - <span class="ql-formula"