Four terms are used when grouping to factor.
Work shown above! x = 7
To solve use the supplementary angle next to the unknown angle to find an expression for that unknown angle and use that with the expressions inside the triangle to set equal to 180 and solve for x.
hope this helps c:
I can answer but ur not being specific it what is the 6 for and what is the 2 for because there’s a space
I think this is the answer to your question And also the solution
The eagle flew 58 miles each day hoped this helped