Question

(X-6) squared + (y+2) squared =

Answer 1

x^2 + y^2 - 12x + 4y + 40

Explanation:

Open the parentheses:

(x - 6)^2 = x^2 - 12x + 36

(y + 2)^2 = y^2 + 4y + 4

Simplify:

x^2 + y^2 - 12x + 4y + 40