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Factor by Any Method y281y ^ { 2 } - 81

Question 177

Multiple Choice

Factor by any method.
- y281y ^ { 2 } - 81


A) (y+9) (y9) ( \mathrm { y } + 9 ) ( \mathrm { y } - 9 )
B) (y9) (y9) ( y - 9 ) ( y - 9 )
C) (y+81) (y81) ( \mathrm { y } + 81 ) ( \mathrm { y } - 81 )
D) (y2+9) (y29) \left( y ^ { 2 } + 9 \right) \left( y ^ { 2 } - 9 \right)

Correct Answer:

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