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Decades: 990s BC 980s BC 970s BC 960s BC 950s BC - 940s BC - 930s BC 920s BC 910s BC 900s BC 890s BC
Significant People
... constant (i.e., in this case, 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 + ...