SOLUTION: Use the rational zero theorem descartes's rule of signs, and possibly the graph of the paolynomial function shown by a graphing utlity as an aid in obtaining the first zero or the

Question 327168: Use the rational zero theorem descartes's rule of signs, and possibly the graph of the paolynomial function shown by a graphing utlity as an aid in obtaining the first zero or the firs root f(x)= x^3+12x^2+21x+10
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

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Here's a graphing utility.
Looks like you should check and to see if they're zeros.
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