Solving a super nice quintic equation

This quintic equation, (x-3)^5+(x-7)^5=(2x-10)^5 is purposely designed with a secret trick in mind! Do not expand it, but try a substitution instead! 🛍 Shop my math t-shirts & hoodies: 👉 https://amzn.to/3qBeuw6 👉 Support this channel and get more content   / blackpenredpen   #blackpenredpen #calculus