Reciprocals - How do we use them later in Algebra?

Remediating older students, teaching younger ones for the first time. Prime factorization. Algebra. Fractions. Square Roots.
Hoping to grow a community for those teaching/tutoring homeschool math and science. I can be found, I think on Youtube, Rumble, X/Twitter, Gmail and Discord @xhomeschoolusa

Technology:

OBS Screen Recording (Old 25.x.x version)
Video To Video Converter
Smoothdraw 4.1.4
Wacom CTE-430 (very old 15 years, maybe) & Dell Mouse
Logitech 720p USB Camera (old)
Plantronics Headset (old)
Old PC

Other software and Online resources you may want to consider:

Flixier
Jitsi
Streamyard
Discord
Snapfiles