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OpenStudy (jenniferjuice):
Find the factors of 2a^2 + a − 21. (2a + 21)(a − 1) (2a + 1)(a − 21) (2a + 3)(a − 7) (2a + 7)(a − 3)
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OpenStudy (uri):
What is the number when adding or subracting 1 and mutlipying 21?
OpenStudy (anonymous):
You want to know whose product gives you -42 and sum gives you 1.
OpenStudy (uri):
-21 not -42
OpenStudy (anonymous):
My bad. I didn't look at the number right.
OpenStudy (uri):
@jenniferjuice
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OpenStudy (nincompoop):
:(
OpenStudy (jenniferjuice):
21 and 1?
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