Question Simplify the expression 21Alternative Form 0.5 Evaluate 2yySolution 21Alternative Form 0.5 Show Solution Find the excluded values y=0 Evaluate 2yyTo find the excluded values,set the denominators equal to 0 2y=0Solution y=0 Show Solution Find the roots y∈∅ Evaluate 2yyTo find the roots of the expression,set the expression equal to 0 2yy=0Find the domain 2yy=0,y=0Calculate 2yy=0Reduce the fraction 21=0Multiply both sides of the equation by LCD 21×2=0×2Simplify the equation 1=0×2Any expression multiplied by 0 equals 0 1=0Solution y∈∅ Show Solution