CypressC228846 CypressC228846

03-11-2022
Mathematics

contestada

What is the positive solution for x^3 + 3x - 9 = x -1 + 2x?

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MaliqS98283 MaliqS98283

03-11-2022

Given:

[tex]\begin{gathered} x^3+3x-9=x-1+2x \\ x^3+3x-9=3x-1 \\ x^3+3x-3x=-1+9 \\ x^3=8 \\ x^3=2^3 \\ \text{Therefore, x=2} \end{gathered}[/tex]

Hence, the postive solution for the gven equation is x=2

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