To learn how to add polynomials and combine "like" terms, tryhereandhere. To learn how to work with parentheses, tryhere.

To learn how to solve linear equations, tryhere.

To learn how to solve quadratic equations, tryhere.

Once you have learned the basic terms and techniques, please attempt at least one exercise from each of the three sets above. If you get stuck, you will then be able to reply with a clear listing of your work and reasoning so far.

Thank you!