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December 19, 2014

December 19, 2014

Posted by **Lee** on Friday, January 4, 2013 at 10:38am.

-8x^3-17x^2+7x=0

- algebra -
**drwls**, Friday, January 4, 2013 at 11:10amFactor out the x term, then solve the quadratic in the usual way.

(-x)(8x^2 +17x -7) = 0

(-x)

x = 0 and (1/16)[-17 +/-sqrt513]

x = 0, 0.3531, -2.4781

- algebra -
**Lee**, Friday, January 4, 2013 at 11:50amthank you

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