10. Be sure to put all terms on the left, leaving 0 on the right. Determine and state the values of A and B to confirm your decisions for the following equations.



I. x^2 + 2x + y^2 + 6y = 15



II. 9y^2 - 3 = 18y + 4x



III. y^2 = x^2 – 5x + 6