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March 3, 2015

March 3, 2015

Posted by **Andy G** on Wednesday, January 22, 2014 at 8:26pm.

- Pre-Calc -
**Reiny**, Wednesday, January 22, 2014 at 9:22pmyou must have a method of solving

800000 = -76x^3 + 4830x^2 - 320000

Wolfram yields two answers,

one of appr 18 , the other appr 59.3

http://www.wolframalpha.com/input/?i=solve+800000+%3D+-76x%5E3+%2B+4830x%5E2+-+320000

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