First learn about the complex plane. Be able to tell someone why (-1)*(-1) = 1. Buy a Schaum's on college algebra. Work through exercises you're unsure of. The

First learn about the complex plane. Be able to tell someone why (-1)*(-1) = 1. Buy a Schaum's on college algebra. Work through exercises you're unsure of. Then buy an introductory, undergraduate discrete mathematics text, or a calculus text, depending on your interests. Work through that. If you want to continue, buy a book introducing you to basic proof mechanisms and work through that. After that dance, you should have a good foundation to read upper-level mathematics texts. Remember, mathematics cannot be learned without working exercises.