SOLUTION: After getting to the end of 2x(squared)-5x-8=0, I get 5 plus/minus the square root of 89 over 4. What happens next? I don't know what to do with it.

Question 292545: After getting to the end of 2x(squared)-5x-8=0, I get 5 plus/minus the square root of 89 over 4. What happens next? I don't know what to do with it.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
That's the exact answer.
You can get an approximate decimal answer if you like.

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and then check your solution graphically,

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