SOLUTION: Please show me the rule to solve the equ. X^3+8=0

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: Please show me the rule to solve the equ. X^3+8=0      Log On


   

Question 901019: Please show me the rule to solve the equ. X^3+8=0
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
X^3+8=0
X^3 = -8
X = -2
Note: (-2)(-2)(-2) = -8