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July 23, 2014

July 23, 2014

Posted by **Rose** on Tuesday, December 10, 2013 at 6:03pm.

- pre calculus -
**Henry**, Wednesday, December 11, 2013 at 3:49pmX^2 - 3X - 7 = 0

This Eq cannot be factored.

Use the Quadratic Formula:

X = (-B +- sqrt(B^2-4AC))/2A

X = (3 +- Sqrt(9+28))/2

X = (3 +- 6.08)/2 = 4.54, and -1.54.

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