Decades: 1080s BC 1070s BC 1060s BC 1050s BC 1040s BC - 1030s BC - 1020s BC 1010s BC 1000s BC 990s BC 980s BC
Significant People
... left of "=", that will make it a perfect square trinomial of the form x2 + 2xy + y2. Since "2xy" in this case is (b/a)x, we must have y = b/(2a), so we add the square of ...