1. (x_1, y_1) = (2, -3) \text{ and } (x_2, y_2) = (4, 3)
2. d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}
3. d = \sqrt{(4 - 2)^2 + (3 - (-3))^2}
4. d = \sqrt{(2)^2 + (6)^2}
5. d = \sqrt{4 + 36}
6. d = \sqrt{40}
7. d = 2\sqrt{10}
The final answer is 2\sqrt{10}