Yes, your work is correct.
The diagram does illustrate x²+6x+9=72. This is also represented by
(x+3)² = 72
We can take the square root of both sides:

When we evaluate this, the answers are x = -11.5 or x = 5.5.
Here ya go. Hope this helps. Have a great day
Answer:
1 5/154
Step-by-step explanation:
The slope is 4/3.
rise/run
rise = 4
run = 3