In this module, I learn about (1). There are (2) two methods to find the sum and difference of a given set polynomials. They are horizontal method and (2) In the horizontal method, polynomials are grouped and aligned horizontally While in the vertical method, the polynomials are arranged in (3) In adding of polynomials, we can only combine (4) To subtract polynomials, add the (5) of the subtrahend to the minuend​