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OpenStudy (anonymous):
Identify the factors of x^2 − 4x − 21.
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OpenStudy (nenadmatematika):
(x-7)(x+3)
OpenStudy (sasogeek):
nenadmatematika... u might want to explain how you got that answer...
OpenStudy (nenadmatematika):
I didn't see the sentence ''and explain'' in the question, sorry
OpenStudy (sasogeek):
well as standard practice, every answer on OS should have an explanation to it so that other users can utilize it, not only for the asker alone...
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