For what value of x is the expression x – 5/x2 – 2x – 3…

For what value of x is the expression

x – 5/x² – 2x – 3

not defined?

A.
3, 1
B.
-1, -3
C.
-1, 3
D.
3, -2
E.
1, -3

Correct Answer: Option C

Explanation

x² – 2x – 3 = 0
x² – 3x + x – 3 = 0
x(x – 3) + (x – 3) = 0
(x + 1)(x – 3) = 0
x = -1 or 3