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Multiply And, If Possible, Simplify x4−1x4−81⋅x2+9x2+1\frac { x ^ { 4 } - 1 } { x ^ { 4 } - 81 } \cdot \frac { x ^ { 2 } + 9 } { x ^ { 2 } + 1 }

Question 110

Multiple Choice

Multiply and, if possible, simplify.
- x4−1x4−81⋅x2+9x2+1\frac { x ^ { 4 } - 1 } { x ^ { 4 } - 81 } \cdot \frac { x ^ { 2 } + 9 } { x ^ { 2 } + 1 }


A) x+1x−3\frac { x + 1 } { x - 3 }
B) x−1x+3\frac { x - 1 } { x + 3 }
C) x−1x−3\frac { x - 1 } { x - 3 }
D) (x+1) (x−1) (x+3) (x−3) \frac { ( x + 1 ) ( x - 1 ) } { ( x + 3 ) ( x - 3 ) }

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