Redirected from 585 BC
Decades: 620s BC - 610s BC - 600s BC - 590s BC - 580s BC - 570s BC - 560s BC - 550s BC - 540s BC - 530s BC
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... square roots of both sides yields <math>x+\frac{b}{2a}=\frac{\pm\sqrt{b^2-4ac}}{2a}.</math> Subtracting b/(2a) from both sides, w ...