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Old 03-13-2008 | 09:04 AM
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Lunchboxer
 
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Default RE: Official math help thread.
LOL, graphic calculator....

6x^3 - x^2 - 13x + 8 = 0

-> 6x^3 - x^2 - 5x - 8x + 8 = 0

-> x ( 6x^2 - x - 5) - 8 (x - 1) = 0

-> x (6x + 5) (x - 1) - 8 (x - 1) = 0

-> (x-1) (6x^2 + 5x - 8) = 0

And I am sure you can solve that now, right?!

x = 1, (-5+-(25+4*8*6)^(0.5))/12
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