Decades: 1150s BC 1140s BC 1130s BC 1120s BC 1110s BC - 1100s BC - 1090s BC 1080s BC 1070s BC 1060s BC 1050s BC
Significant People
... is (b/a)x, we must have y = b/(2a), so we add the square of b/(2a) to both sides, ...