SOLUTION: which of the following is a factor of the polynomial x^2-x-20

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Question 67592: which of the following is a factor of the polynomial x^2-x-20
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
x^2-x-20
(x-5)(x+4) these are the TWO answers to this equation.
If (x-5) is the only choice OK. But (x+4) is also an answer.