Answer:
If I had to take an educated guess I'd say 126° but I'm not 100% sure.
The factors of the equation are
.
Given
Equation;
.
<h3>What is the Factor Theorem?</h3>
The Factor Theorem states that a polynomial function with roots is given by:

Where a is the leading coefficient.
The factors of the equation are;

Hence, the factors of the equation are
.
To know more about factors click the link given below.
brainly.com/question/195124
A=1/3h(b1-b2). So h=3/(b1-b2)