SOLUTION: x2-x-2=0 how to solve that

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Question 179905: x2-x-2=0 how to solve that
Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!

You can factor this quadratic equation and solve for the zeros.


First solution:


Second solution:


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Here's a graph of the function to verify the solutions.

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You could also use the quadratic formula,

which is used to solve the general quadratic equation,

In your case,



Then,





First solution:



Second solution:



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