Back in 2016, I had written a post about solving quadratic equations without any guesswork and complicated calculations; in fact solving mentally mostly. And then forgot about it for a long time.
Replicating it here, again. Hopefully it will be of use to someone.
Call it Gurpreet’s method, if you may; there is no name for it yet.
Quadratic Equation Example-1
Here’s How to Do It:
Example-2
Coefficient of x^2
Note: This post is in images. Someone please convert this to Latex/Katex and a video for me !
Also though this post is being created in Feb 2025, it is being dated to the earlier post of 2016