SOLUTION: Can all quadratic equations be solved using factoring? If no, show a counterexample.

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Question 351076: Can all quadratic equations be solved using factoring? If no, show a counterexample.
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
No.
x^2+x+20=0 counterexample.
.
Ed