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### Real Solution of x^3+8 == 0?

I do not understand the following:

sage: assume(x,'real') sage: solve(x^3+8==0,x) []

Why does this equation have no solution? But -2 is a solution!

Thanks for help!

 2 No.2 Revision Jason Grout 3485 ●7 ●34 ●81

### Real Solution of x^3+8 == 0?

I do not understand the following:

sage: assume(x,'real')
sage: solve(x^3+8==0,x)
[][]


Why does this equation have no solution? But -2 is a solution!

Thanks for help!