I take it that the 2's are superscript.

So it should read .

First off, this is the equation of a circle.

The standard form of a circle is where h is the x-coordinate of the centre, k is the y-coordinate of the centre, and r is the radius.

To get it into this standard form, complete the square on the x terms and the y terms.

.

So what's the centre? What's the radius? Can you sketch the circle?