Help please this is giving me trouble?
Megan’s backyard has a small pond that is 15 feet by 10 feet. Her mother wants her to add a wooden deck pathway around the pond, so that the total area of the pool and deck is 234 ft2. How wide does the pathway need to be to fulfill Megan’s mom’s request?
Part 1: Solve the following quadratic equation using one of the methods listed below.
Part 2: Using complete sentences, explain why you chose the method you used.
0 = x2 + 6x + 3
Completing the Square
even if you only know how to do one of them please help !