Answer:
A:x=3
B:x=-4
Explanation:
The domain is set of all values of x for which the given rational function is defined.
The rational equation is
![(50)/(4x - 12) + \frac{x - 4}{ {x}^(2) + x - 12 } = (x)/(2)](https://img.qammunity.org/2021/formulas/mathematics/high-school/yqkl48i3q63fsk0jcniuyalarsv6nzlc5h.png)
The rational function will not be defined if the denominator is zero.
That is if:
1.
![4x - 12 = 0 \implies 4x = 12\implies \: x = 3](https://img.qammunity.org/2021/formulas/mathematics/high-school/qdj0lotstx5sxtowacqzabs5x3ca7ads4e.png)
2.
![{x}^(2) + x - 12 = 0\implies (x - 3)(x + 4)](https://img.qammunity.org/2021/formulas/mathematics/high-school/23z71nkctxwcbn5nans1skxw0pjx2yql7h.png)
This implies that x=3 or x =-4
Therefore the equation is defined on all real values of x, except x=3 or-4