Answer:
16
Step-by-step explanation:

Multiplication and division are priority to addition and subtraction
Brainliest please
The equation for a circle is
(x-h)² + (y-k)² = r²
h = your given x
y = your given k
Let's plug everything in!
(x - 5) ² + (y - (-1)) ² = 12²
Your final equation is
(x - 5) ² + (y + 1) ² = 144
<em>Hope I helped! Comment or message me if you have any questions :) </em>
(6x-2)(6x-2) = 36x-12x-12x+4 = 36x+4