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Which expression is prime? A) x2 - 9 B) 1 - 9x2 C) 2a2 - 25 D) 4x2 - 9

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asked Dec 23, 2018 11.5k views

3 votes

Which expression is prime?
A) x2 - 9
B) 1 - 9x2
C) 2a2 - 25
D) 4x2 - 9

Mathematics
high-school

ARM asked

by ARM

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1 Answer

4 votes

the answer would be c

AniketGole answered Dec 28, 2018

by AniketGole

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Which expression is prime? A) x2 - 9 B) 1 - 9x2 C) 2a2 - 25 D) 4x2 - 9

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