SOLUTION: for the equation a. write the value of the variable that makes a denominator zero:3 over x+2 + 2 over x-2= 8 over (x+2)(x-2)

Algebra ->  Expressions-with-variables -> SOLUTION: for the equation a. write the value of the variable that makes a denominator zero:3 over x+2 + 2 over x-2= 8 over (x+2)(x-2)       Log On


   



Question 164980: for the equation a. write the value of the variable that makes a denominator zero:3 over x+2 + 2 over x-2= 8 over (x+2)(x-2)
Answer by midwood_trail(310) About Me  (Show Source):
You can put this solution on YOUR website!
If the denominator = 0, then we have a case that is undefined or better said DOES NOT EXIST because we cannot divide by zero.
If we set x + 2 and x - 2 to = 0 and solve for x, we find out that x can be any number except x CANNOT = 2 or -2.
LOOK:
x + 2 = 0
x = -2
=========
x - 2 = 0
x = 2
Final answer: x CANNOT EQUAL -2 or 2 for the expressions given in the denominators because it creates division by zero, which does not exist.