I studied Chemistry and Physics in high school. I failed both courses! Upon repeating Chemistry in summer school, I got an A. I took a year of Physics in college and passed both semesters.
I learned symbolic logic from the WFF 'n proof game.
I have no college degree, but I've read hundreds of books.
... will make it a perfect square trinomial of the form x2 + 2xy + y2. Since "2xy" in this case is (b/a)x, we must have y = b/(2a), so we add the square of b/(2a) to both ...