Algebraic Identity (TOMATO Objective 16) by Ashani Dasgupta Algebraic Identities can be tricky. Here we handle a simple case of repeated application of (a+b)(a-b). Related Submit a Comment Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Notify me of follow-up comments by email. Notify me of new posts by email.