I need help in solving this one
x2 - 2x - 13 = 0

Question

anonymous · Answer

$$x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$$

 for ax^2 +bx +c

anonymous · Answer

try quadatic formula... i began working it out with the first equation but it went in to decimals and i didn't know how many significant figures you would have wanted

anonymous · Answer

No decimals, straightforward, just plug the numbers in.

anonymous · Answer

in quadratic formula?

anonymous · Answer

U can leave simplified radicals as part of the answer.

anonymous · Answer

I have no clue on how to do this.  It is an assignment for class that I will never use again in my life.  Trust me, I am fifty years old and have never had this come up in any work I have done.  Therefore I just want to pass this class to move on with the others.  Thank you for your help.

anonymous · Answer

Ok, I believe u:-)

The answers (using the above formula) are

1 plus or minus sqrt 14$$1 \pm \sqrt{14}$$

anonymous · Answer

?