Decades: 1190s BC 1180s BC 1170s BC 1160s BC 1150s BC - 1140s BC - 1130s BC 1120s BC 1110s BC 1100s BC 1090s BC
Significant People
... depend on x) to the expression 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 ...