🤯 Why Didn't They Teach Algebra Like This? Easy Multiplication Trick!

Well, we learnt it as first 2, inner 2, outer 2, last 2. No need to draw a matrix.

People will think that the most basic things in math, like foiling and combining like terms, are hard, but somehow a 3x3 matrix with extra arrows somehow makes it click. That's like thinking that getting in the driver seat through the moonroof is a groundbreaking discovery. SMH