Centuries: 7th century - 8th century - 9th century

Decades: 700s - 710s - 720s - 730s - 740s - 750s - 760s - 770s - 780s - 790s - 800s

Years: 750 751 752 753 754 755 756 757 758 759

Events:

... formula is derived by the method of completing the square[?]. <math>ax^2+bx+c=0</math> Dividing our quadratic equation by a, w ...