Here is a viral, high-engagement description optimized for the YouTube algorithm. Title Suggestion: How to Square Any Number in 3 Seconds (Mental Math Trick) Description: Stop reaching for your calculator. It makes you slow. In this video, I reveal a simple 3-step mental math trick that lets you square any 2-digit number instantly. Whether it's 21 or 99, this method works faster than typing it into your phone. Most schools don't teach this. They want you to do it the long, boring way. Today, we are going to learn the "Cheat Code" version. This technique is based on Vedic Math principles and is perfect for competitive exams or just impressing your friends who think they are smart. If you can do basic addition, you can master this in under 60 seconds. Subscribe for Part 2 where we break down 3-digit numbers! #math #mathhacks #mentalmath #education #vedicmaths #speedmath #studyhacks #mathtricks #learning