Discriminant = sq root of b^2 - 4*a*c =
sq root of 36 - 4*1*13 =
sq root 36 -52 =
sq root 36 -52 =
sq root -16
There are no real solutions for this equation. Both roots are complex numbers.
The measure of the side 
is approximately 33 and the measure of angle 
is approximately 12.321°.
<h3>How to find a missing angle in a triangle by law of sine and law of cosine</h3>
In this problem we must apply the law of cosine and the law of sine to determine the angle Y:
<h3>Law of cosine</h3>
<h3>Law of sine</h3>
The measure of the side is approximately 33 and the measure of angle is approximately 12.321°. 
To learn more on triangles, we kindly invite to check this verified question: brainly.com/question/25813512
To solve this question, what you would need to do is add 30 to both sides of the equation and then divide by 9, to find the solution.
You can check if it is correct by substituting the same value back into the original equation and seeing if the left hand side is equal to the right hand side.
