What alegbraic property is demonstarted in the equation 5 3(2x - 7) = 5 6x - 21?

The parabola opens: y=√x-4 (principal square root) up down right left

Which function in vertex form is equivalent to f(x) = x2 + 6x + 3? f(x) = (x + 3)2 + 3 f(x) = (x + 3)2 − 6 f(x) = (x + 6)2 + 3 f(x) = (x + 6)2 − 6

The circle below is centered at the point (3, 1) and has a radius of length 2. what is the equation?