SOLUTION: The quadratic expression x^2+5x+N can be factored as (x+a)(x+b), where N,a, and b are integers.
Will wrote that N could be equal to −3.
Charlotte wrote that N could be equa
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Question 976636: The quadratic expression x^2+5x+N can be factored as (x+a)(x+b), where N,a, and b are integers.
Will wrote that N could be equal to −3.
Charlotte wrote that N could be equal to 21.
Which student is correct?
Answer by FrankM(1040) (Show Source): You can put this solution on YOUR website!
Neither N will work
-3 offers factors of -1,3 or 1,-3 which don't result in 5 for the middle term.
21 offers 1,21 or 3,7 which also can' get to 5.
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