Answer:
here is somthing to help
Step-by-step explanation:
we have

Complete the square. Remember to balance the equation by adding the same constants to each side



Rewrite as perfect squares

remember that

Square root both sides





Simplify



therefore
<u>the answer is</u>


Descending order is a list of numbers starting at the highest value going to the lowest. For example 10, 8, 5, 2, 1, -1, -4.