SOLUTION: Please help me to solve this equation and get the values of 's' : {{{s^4-4s^3-38s^2-12s+100=0}}}

Question 1006601: Please help me to solve this equation and get the values of 's' :
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Either use software designed for it or try some other numerical method of your choice (if you know any). The polynomial given does not have Rational roots. It does have FOUR REAL roots. You might try some bounds testing with synthetic division.

Putting y=x^4-4x^3-38x^2-12x+100 into Google.com and clicking GO or ENTER, shows the roots approximately at -3.45, -2.34, 1.42, 8.48.
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