Amazing, you keep me engaged in the way you tell the story of some random numbers. Really essential for a good teacher, and still so many lack this skill. BLESS YOU!
Great lesson, enthusiastic teacher. WONDERFUL VIDEO. I was really struggling but you helped me through it. I've got my exams in 7 weeks, please wish me luck. THANK YOU
I see the problem. When I wrote the problem on the board, I copied incorrectly and wrote y-4 instead of y+4. So just follow the video not the thumbnail problems.