logs/22w21

[giscus[bot]]

logs/22w21

Added maths to giscus, presented my work, and had fun with friends.

https://laymonage.com/logs/22w21

[laymonage]

When $a \ne 0$, there are two solutions to $(ax^2 + bx + c = 0)$ and they are
$$ x = {-b \pm \sqrt{b^2-4ac} \over 2a} $$