SOLUTION: y^3-1/8 I see that it is 1/2 or 0.5. but i don't understand how people are getting that. Will you please explain to me how 1/2 comes about?

Question 572491: y^3-1/8
I see that it is 1/2 or 0.5. but i don't understand how people are getting that. Will you please explain to me how 1/2 comes about?
Answer by KMST(5400) (Show Source): You can put this solution on YOUR website!
I assume that you mean that
has a zero at 1/2 and that 1/2=0.5
The equations , and are equivalent.
The only solution is , because

and the only real number that cubed equals is .
From another angle:
In polynomials, one of the special products is difference of cubes. The book may say

Applied to ,