Screen Shot 2017-07-31 at 21.46.38 Full size 1156 × 725 pixels Geometrically factorising the difference of two cubes. Previous image Next imageScreen Shot 2017-07-31 at 21.46.23 Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *CommentName* Email* Website Save my name, email, and site URL in my browser for next time I post a comment. Notify me of new posts by email.