walkertexasranger201
walkertexasranger201 walkertexasranger201
  • 01-10-2020
  • Mathematics
contestada

Solve for all solutions of the equation. Show all work for full credit. X^3-8=0

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Alfpfeu
Alfpfeu Alfpfeu
  • 01-10-2020

Answer:

2

Step-by-step explanation:

Hello

We can notice that

[tex]2^3=2\times 2\times 2=8[/tex]

so 2 is one solution, we can put (x-2) in factor

[tex]x^3-8=(x-2)(x^2+2x+4)\\ \\ \Delta=2^2-4\times4=4-16=-12[/tex]

So there is no other real solution.

Thanks

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