the trickiest types of simple square root equation

Here we have two similar-looking square root equations: sqrt(2x+5)=i and sqrt(2x+5)=-1. It seems like we can square both sides for both equations and end up with the answer. However, one of them is actually not correct. Here's a video explanation why sqrt(36) is just positive 6 👉 https://youtu.be/N30hLAa-to8 Shop my math t-shirts & hoodies on Amazon: 👉 https://amzn.to/3qBeuw6 ----------------------------- Are you loving the math content on my channel and want to see more of it? I'm thrilled to hear that! You can show your support and help me create even better content by becoming a patron on Patreon 👉 https://www.patreon.com/blackpenredpen Every bit of support means the world to me and motivates me to keep bringing you the best math lessons out there! Thank you! ----------------------------- #math #precalculus #trig #algebra