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

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

User Arian
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2 Answers

4 votes
I think the right anser would be (a)

User Lucas Eduardo
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4 votes

Answer:

its c 2a2-25


Explanation:


User Andrei Sinitson
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User ARM
asked Dec 23, 2018 11.5k views
Which expression is prime? A) x2 - 9 B) 1 - 9x2 C) 2a2 - 25 D) 4x2 - 9
ARM asked Dec 23, 2018
by ARM
7.4k points
1 answer
3 votes
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