Answer:
The correct form of this expression is x² - 6x + y² + 2 = 0. To put this expression in the correct form, you need to combine like terms and rearrange the terms. In this case, the expression has two terms with the variable x and one term with the variable y. The coefficients of the x terms are 1 and -10, and the coefficient of the y term is 1. To combine these terms, you need to add the coefficients of the x terms together to get -6, and leave the y term as is. Therefore, the combined expression is x² - 6x + y² + 2 = 0. This is the standard form of a quadratic equation, where the coefficient of the x² term is 1, the coefficient of the x term is a negative number, and the constant term is a positive number.