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http://data.artofproblemsolving.com/...3333801551.png

Complete the squares.

Quote: Originally Posted by vegasgunner http://data.artofproblemsolving.com/...3333801551.png (x^2-18x+~?)+(y^2+2y+~?)=18 Fill in for the ?'s so that (x-h)^2+(y-k)^2=r^2.