Question

what are the real roots of x^3+8=0 what are the real roots of x^3+8=0 @Mathematics

Answer 1

"Sum of cubes" http://www.purplemath.com/modules/specfact2.htm

Or "what number, when you cube it, equals NEGATIVE eight"? :)

Answer 2

-2

Answer 3

That's it?

Answer 4

The other two solutions are complex. The functions only crosses at x=-2

Answer 5

Bleep, yup, that's it. :)

Answer 6

Great, thanks