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Suppose x is a positive number such that (x^3 + 8)(x + 2) = 19.  What is the value of x?

 
 Aug 1, 2022
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(x^3  + 8) ( x + 2)   =  19

 

x^4 + 2x^3 + 8x - 3   =  0

 

x ≈ .36110

 

cool cool cool

 
 Aug 2, 2022

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