Answer:
Option A) x=4,12 is correct.
The solution of the given quadratic equation is x=4,12
Explanation:
Given equation is in quadratic form
Given quadratic equation is

Rewriting the above equation

Now dividing the equation by 4 we get


For quadratic equation

solution

where a and b are coefficients of
and x respectively, c is a constant
Here a=1, b=-16, c=48





Therefore
and

and

and

Therefore the solution of the given quadratic equation is x=4,12
Option A) x=4,12 is correct.