SOLUTION: -13x^3+9/x^3-4x Find the real numbers for the rational expression thats undefined find the value of the expression when x = -4 x+8/x^2-x+9

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: -13x^3+9/x^3-4x Find the real numbers for the rational expression thats undefined find the value of the expression when x = -4 x+8/x^2-x+9       Log On


   

Question 460619: -13x^3+9/x^3-4x
Find the real numbers for the rational expression thats undefined
find the value of the expression when x = -4
x+8/x^2-x+9

Answer by rwm(914) About Me  (Show Source):
You can put this solution on YOUR website!
when ^3-4x =0 it is undefined