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Funny how the blog is trying to use the x^2 + 10x = 39 example to illustrate that modern notation helps understanding and reducing errors, but then forgets the
by kleiba 8y ago
Funny how the blog is trying to use the x^2 + 10x = 39 example to illustrate that modern notation helps understanding and reducing errors, but then forgets the second solution for the equation (x = -13). In all fairness, though, it's is just meant as a translation of al-Khwarizmi's text into modern notation where only one solution is given.
- saagarjha 8y ago> In all fairness, though, it's is just meant as a translation of al-Khwarizmi's text into modern notation where only one solution is given. Probably because negative solutions were not recognized as valid at the time.