SOLUTION: quadratic function promblem using the formula and the question states 2nsquared-n-4=2
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Question 537887: quadratic function promblem using the formula and the question states 2nsquared-n-4=2
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Prom isn't until May, so I suspect this is a quadratic equation problem.
Add 
to both sides, then your coefficients are
, 
, and 
You really don't need the quadratic formula for this one because it factors quite tidily, but since you are asked to use it, just plug your coefficients in and do the arithmetic:
\ \pm\ \sqrt{(-1)^2\ -\ 4(2)(-6)}}{2(2)})
John
My calculator said it, I believe it, that settles it
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