Question Simplify the expression x+yxy Evaluate −x−yxyUse b−a=−ba=−ba to rewrite the fraction −x+yxySolution x+yxy Show Solution Find the excluded values x=−y Evaluate −x−yxyTo find the excluded values,set the denominators equal to 0 −x−y=0Move the expression to the right side −x=0+ySimplify −x=ySolution x=−y Show Solution