How To: Add and substract complex numbers in algebra

Math has always had the reputation of being nonimaginative, dry, and straight to the point, but mathematicians like to have fun, too! Perhaps that's why they invented imaginary complex numbers dealing with "i."

Turn math homework into playtime by watching this video on how to add and substract complex numbers. With a few tricks you'll be able to simplify multivariable expressions into one neat, imaginary number.