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6x^3+38x^2+18x+2=0

 Nov 6, 2014

Best Answer 

 #1
avatar+130511 
+5

6x^3+38x^2+18x+2=0

This polynomial doesn't factor........here's a graph of the solution.....https://www.desmos.com/calculator/nncnoxpewo

There are three real roots at -5.828, -1/3 and -.172

(We actually could have found the second zero by using the Factor Theorem....this would have led to a quadratic that could be solved with the Quadratic Formula.....!!  )

 

 Nov 6, 2014
 #1
avatar+130511 
+5
Best Answer

6x^3+38x^2+18x+2=0

This polynomial doesn't factor........here's a graph of the solution.....https://www.desmos.com/calculator/nncnoxpewo

There are three real roots at -5.828, -1/3 and -.172

(We actually could have found the second zero by using the Factor Theorem....this would have led to a quadratic that could be solved with the Quadratic Formula.....!!  )

 

CPhill Nov 6, 2014

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