Decades: 40s BC 30s BC 20s BC 10s BC 0s BC - 0s - 10s 20s 30s 40s 50s
Years: 3 4 5 6 7 - 8 - 9 10 11 12 13
Births
Deaths
... by the method of completing the square[?]. <math>ax^2+bx+c=0</math> Dividing our quadratic equation by a, we have <math> x^2 + \left( ...