Question

what does x=?

a. none of the choices are correct
b. -2
c. plus or - 2
d. 0
e. 2

Answer 1

it might be easier if you just plug in your choices to see what fits

Answer 2

thanks

Answer 3

x cant be zero since 1/x would be bad

Answer 4

and x cant be 2 or -2 since that makes x^2-4 go zero ... hence bad

Answer 5

so it's A. none of the choices or correct