Decades: 1350s BC 1340s BC 1330s BC 1320s BC 1310s BC - 1300s BC - 1290s BC 1280s BC 1270s BC 1260s BC 1250s BC
Significant People
... to the 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 ...