nmbarraz6970 nmbarraz6970
  • 21-10-2019
  • Mathematics
contestada

Solve the equation, and check the solutions ∛(9-x)=6.

Respuesta :

joaobezerra joaobezerra
  • 23-10-2019

Answer:

The solution is: [tex]x = -207[/tex]

Step-by-step explanation:

We have the following equation:

[tex]\sqrt[3]{9-x} = 6[/tex]

Elevating both sides to 3, we can isolate x

[tex]\sqrt[3]{9-x}^{3} = 6^{3}[/tex]

[tex]9-x = 216[/tex]

[tex]-x = 216 - 9[/tex]

Multiplying by -1

[tex]x = -207[/tex]

Checking

[tex]\sqrt[3]{9-(-207)} = \sqrt[3]{216} = 6[/tex]

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