Decades: 650s BC 640s BC 630s BC 620s BC 610s BC - 600s BC - 590s BC 580s BC 570s BC 560s BC 550s BC
Significant People
... a quantity that does not 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 ...