Youngsters need to learn this, with this correct method. After this, you're expected to do those in your head as you progress to harder algebra.
I think what this guy is doing is great! Bringing education to the masses is what it's all about
Cool stuff! I've been through Calc 3, but a refresher is always welcome.<--- keeping posted
Need to refer the younglings here
nice dune reference
Back to school kids!
Will you move on to calculus soon? That what math Im in right now