For what value of x is the expression
x – 5x^{2} – 2x – 3
not defined?
- A.
3, 1 - B.
-1, -3 - C.
-1, 3 - D.
3, -2 - E.
1, -3
Correct Answer: Option C
Explanation
x^{2} – 2x – 3 = 0
x^{2} – 3x + x – 3 = 0
x(x – 3) + (x – 3) = 0
(x + 1)(x – 3) = 0
x = -1 or 3