SOLUTION: Consider the fractional problem: x - 8 OVER x + 5 divided by x - 9 OVER x + 4 Explain to me why -5, 9 and -4 are not allowable replacements for the variable x. thank you ver

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Consider the fractional problem: x - 8 OVER x + 5 divided by x - 9 OVER x + 4 Explain to me why -5, 9 and -4 are not allowable replacements for the variable x. thank you ver      Log On


   



Question 158324: Consider the fractional problem:
x - 8 OVER x + 5 divided by x - 9 OVER x + 4
Explain to me why -5, 9 and -4 are not allowable replacements for the variable x.
thank you very much.

Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
any of those values would result in division by zero, which is an undefined operation (BIG no-no)