Skip to main content
2 events
when toggle format what by license comment
Feb 28, 2021 at 9:05 comment added DanielWainfleet I was once helping a young relative with his high-school algebra. He had memorized FOIL but when confronted with (a+b)(c+d+e) he didn't know what to do.
Feb 28, 2021 at 5:31 history answered Vons CC BY-SA 4.0