Your friends cheer and congratulate you as the lights flicker back on once you have closed the electrical circuit! You gaze around Scoops Ahoy and you discover that there is a piece of paper sticking out from under the counter. You lightly tug on the end of the piece of paper and a stack of folders falls to the floor. You kneel down and look closely at the manila folder. There is a strange sequence that reads "x^2+3x-4 and x=63 will gain you entrance." Solve the code!