What is the solution set of the quadratic inequality x^2-5-0?

The solution set of the given quadratic equation is:

We are given a quadratic equation in terms of the variable ''x'' as:

Now we are asked to find the roots of this polynomial equation.

on adding both side of the equation with 5 we get,

Now on taking the square root on both the side we get:

Hence, the roots are:

          and

correct answer:

b.(19,-2)