This jingle has helped generations of algebra students recall the quadratic formula that solves every equation of the form $latex ax^2+bx+c=0$. The formula is as ...

This video explains a simple math concept that’s even easier than solving a quadratic equation. With clear logic and intuitive steps, you’ll see how breaking problems down the right way can make math ...

Removing brackets is to multiply the term outside the brackets by each term inside - also known as the distributive law. Use FOIL to remove a pair of brackets then simplify by collecting like terms.