Decades: 1730s 1740s 1750s 1760s 1770s - 1780s - 1790s 1800s 1810s 1820s 1830s
1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791
Births
Deaths
... left side is now a perfect square; it is the square of (x + b/(2a)). The right side can be written as a single fraction; the common denominator is 4a2. W ...