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Find the LCD 12x+9,5x281\frac { 12 } { x + 9 } , \frac { 5 } { x ^ { 2 } - 81 }

Question 44

Multiple Choice

Find the LCD. Do not combine fractions.
- 12x+9,5x281\frac { 12 } { x + 9 } , \frac { 5 } { x ^ { 2 } - 81 }


A) x281x ^ { 2 } - 81
B) x+9x + 9
C) (x+9) (x9) 2( x + 9 ) ( x - 9 ) ^ { 2 }
D) (x+9) (x281) ( x + 9 ) \left( x ^ { 2 } - 81 \right)

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