https://youtu.be/zRlUkijc9l0 Solving radical equations can be tricky, especially if you forget to check your solutions. Which is what I used to do in high school... Pay attention to this...

https://youtu.be/GSZYLt5K90U

https://youtu.be/ugKgPrCgveg

https://youtu.be/0ZPTk_nUNgE

https://youtu.be/ZTUAnU9EVQ0?si=-o0xKX3VBg2HUKbM

https://youtu.be/UgX2M4H890Y This is a very cool technique I saw on a video on Mr. H Tutoring. It shows another way to factor when the leading coefficient is not a 1.