SOLUTION: solve the following equation for x: 3x^3+9x^2-18x=0
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Question 723192: solve the following equation for x: 3x^3+9x^2-18x=0
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
solve the following equation for x:
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3x^3+9x^2-18x=0
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3x(x^2+3x-6) = 0
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solve x^2+3x-6 = 0
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x = [-3 +- sqrt(9-4*-6)]/2
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x = [-3 +- sqrt(33)]/2
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Ans: x = 3 or x = [-3 +- sqrt(33)]/2
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Cheers,
Stan H.
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