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avatar+1725 

The polynomial
g(x) = x^3 - 14x^2 - 67x - 90 + 5x^3 - 20x^2 + 7x - 135
has one integer root.  What is it?

 Feb 20, 2025
 #1
avatar+130466 
+1

Simplify as

 

6x^3  - 34x^2  - 60x - 225  =  0 

 

No integer roots

 

Only real root ≈  7.62

 

https://www.wolframalpha.com/input?i=x%5E3+-+14x%5E2+-+67x+-+90+%2B+5x%5E3+-+20x%5E2+%2B+7x+-+135+%3D0

 

cool cool cool

 Feb 21, 2025

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