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450s

Centuries: 4th century - 5th century - 6th century

Decades: 400s - 410s - 420s - 430s - 440s - 450s - 460s - 470s - 480s - 490s - 500s

Years: 450 451 452 453 454 455 456 457 458 459

Events and Trends

Vandals sack Rome. The Western Roman Empire begins its final disintegration.

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Quadratic formula

... fraction; the common denominator is 4a2. We get <math>\left(x+\frac{b}{2a}\right)^2=\frac{-4ac+b^2}{4a^2}=\frac{b^2-4ac}{4a^2}.</math> Taking square ...