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Which of the following linear expressions CANNOT be factored?

A) 15x+22
B) 12x-10
C) 8x-2
D) 7x+21

User CFrei
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2 Answers

2 votes
(A) cannot be factored 
User Daniel Kniaz
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4 votes
A) 15x+22

It cant be factored with rational numbers.
User Marcello
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