SOLUTION: Please help me solve this equation x2-2x-13=0

Question 333384: Please help me solve this equation

x2-2x-13=0
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

The factors of -13 are either -1 and 13 or 1 and -13, and neither pair sums to -2. Therefore this quadratic equation cannot be factored over the rational numbers.

Your alternatives are to complete the square or use the quadratic formula. Since the quadratic formula requires quite a bit less work, that seems the obvious choice.

The solution to:

so just plug in your coefficients and do the arithmetic.

You can do your own arithmetic. Hint for exact answer:

John

My calculator said it, I believe it, that settles it

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