SOLUTION: Find the rational solution of x^3+3x^2-5-4=0 show your use of the rational zero theorem

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Question 891516: Find the rational solution of x^3+3x^2-5-4=0 show your use of the rational zero theorem
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
x%5E3%2B3x%5E2-5-4=0
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graph%28300%2C300%2C-3%2C3%2C-3%2C3%2Cx%5E3%2B3x%5E2-5-4%29
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According to the rational roots theorem, a rational root would be of -4,-2,-1,1,2, or 4. Since none of these is a root, there is no rational root for this cubic.