Thinking Mathematically
... Difference: Notice that the sum and the difference are exactly the same except for the signs in the factors. Many students have found the acronym SOAP extremely helpful for remembering the arrangement of the signs. S represents the fact that the sign between the two terms in the binomial portion of ...
... Difference: Notice that the sum and the difference are exactly the same except for the signs in the factors. Many students have found the acronym SOAP extremely helpful for remembering the arrangement of the signs. S represents the fact that the sign between the two terms in the binomial portion of ...