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Which expression is prime? A) x2 - 4x + 3 B) x2 - 6x + 9 C) 3x2 + 5x - 2 D) 6x2 - 7x + 18

Which expression is prime? A) x2 - 4x + 3 B) x2 - 6x + 9 C) 3x2 + 5x - 2 D) 6x2 - 7x + 18
asked 48.6k views
3 votes
Which expression is prime? A) x2 - 4x + 3 B) x2 - 6x + 9 C) 3x2 + 5x - 2 D) 6x2 - 7x + 18

asked
User Jymbo
by
8.3k points

2 Answers

6 votes

D is the correct answer

answered
User Paul Cezanne
by
8.6k points
5 votes
The correct answer would be D.

A can be factored to (x - 1) (x - 3)
B can be factored to (x - 3)^2
C can be factored to (3x - 1) (x + 2)
D cannot be factored.

Hope this helps :)
answered
User Luigibertaco
by
8.4k points
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