SOLUTION: Pls help out in solving: {{{( 1/2x^2) + 3x +1 =0 }}}

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Question 976798: Pls help out in solving: %28++1%2F2x%5E2%29+++++%2B++++++3x+++++++++%2B1+=0++
Found 2 solutions by stanbon, Alan3354:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
1/2x^2) + 3x +1 = 0
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Multiply thru by 2x^2 to get:
2x^2 + 6x^3 + 1 = 0
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6x^3 + 2x^2 + 1 = 0
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graph%28400%2C400%2C-4%2C4%2C-2%2C2%2C6x%5E3%2B2x%5E2%2B1%29
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x = -0.6867
The other two roots are complex.
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Cheers,
Stan H.
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Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
%281%2F2x%5E2%29%2B+3x+%2B1+=0
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%281%2Fx%5E2%29%2B+6x+%2B2+=0
6x%5E3+%2B+2x%5E2+%2B+1+=0
Not a quadratic.
Confirm that's what you meant.