I hope this helps you out
I guess it is simplifying the expression:

W will be at the points (-6,-2) after 180 degrees counterclockwise rotation
You FOIL the binomials out to get a quadratic.
Answer:

Step-by-step explanation:
Insert the given x values for the given equation to find the corresponding y coordinate:


Insert -6:

Simplify multiplication (when multiplying a negative and a positive, the result will always be negative):

Simplify (when subtracting from a negative number, add the values, but keep the negative symbol):

Insert -1:

Insert 1:

:Done