SOLUTION: Is there a value for C (C is not = to 0) such that the trinomial X squared + X + C is factorable? Explain why or why not

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Question 4917: Is there a value for C (C is not = to 0) such that the trinomial
X squared + X + C is factorable?
Explain why or why not
Answer by longjonsilver(2297) About Me  (Show Source):
You can put this solution on YOUR website!
(x+a)(x+b) --> x%5E2+%2B+%28a%2Bb%29x+%2B+ab and you have 1x ie (a+b) has to be equal to +1

So, pick any pair of numbers that add to 1 eg +4 and -3...your c value here is -12: x%5E2+%2B+x+-12 --> (x+4)(x-3) etc.

jon.