something − b ± b 2 − 4 a c 2 a − b ± b 2 − 4 a c 2 a − b ± b 2 − 4 a c 2 a − b ± b 2 − 4 a c 2 a − b ± b 2 − 4 a c 2 a − b ± b 2 − 4 a c 2 a − b ± b 2 − 4 a c 2 a − b ± b 2 − 4 a c 2 a − b ± b 2 − 4 a c 2 a − b ± b 2 − 4 a c 2 a − b ± b 2 − 4 a c 2 a − b ± b 2 − 4 a c 2 a {\displaystyle {\frac {-b\pm {\sqrt {b^{2}-4ac}}}{2a}}{\frac {-b\pm {\sqrt {b^{2}-4ac}}}{2a}}{\frac {-b\pm {\sqrt {b^{2}-4ac}}}{2a}}{\frac {-b\pm {\sqrt {b^{2}-4ac}}}{2a}}{\frac {-b\pm {\sqrt {b^{2}-4ac}}}{2a}}{\frac {-b\pm {\sqrt {b^{2}-4ac}}}{2a}}{\frac {-b\pm {\sqrt {b^{2}-4ac}}}{2a}}{\frac {-b\pm {\sqrt {b^{2}-4ac}}}{2a}}{\frac {-b\pm {\sqrt {b^{2}-4ac}}}{2a}}{\frac {-b\pm {\sqrt {b^{2}-4ac}}}{2a}}{\frac {-b\pm {\sqrt {b^{2}-4ac}}}{2a}}{\frac {-b\pm {\sqrt {b^{2}-4ac}}}{2a}}}