Probably wise. But it has to be open for answers to come.

@Buffy Aside from your choice against a video presentation, have you any ideas for helping the OP create a question that fits the SE format rather than a discussion/forum format?

My problems with videos is the similar to yours, the OEM equipment seems to be out of warranty.

@GypsySpellweaver If OP summarizes the lesson, it becomes a perfect lesson-review question.

Seems about right. But helping him would depend on him saying more than he has here, which is just repeating himself. exploring this background thinking might help.

you may find this interesting @Peter

> even as far back as Algebra I in eighth grade, contributes to math proficiency that pays off in college.

-a firmer grip on the subjects that led up to calculus had twice the impact of taking the subject in high school.