troubleshooting Question

How to solve third order algebraic equation?

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naseeamFlag for United States of America asked on
Math / Science
7 Comments2 Solutions28 ViewsLast Modified:

-8(4.2)^2 + 5(4.2)k + k^3 = -149

How to get started in solving this equation?  

I re-wrote equation as follows:

k( 5(4.2) + k^2) = -149 + 8( (4.2)^2) )

Am I on the right track?  If yes, what's the next step?

phoffricSoftware Engineering and Matlab Analyst

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