Question Simplify the expression 9−y1 Evaluate 1×(9−y1)Remove the unnecessary parentheses 1×9−y1Solution 9−y1 Show Solution Find the excluded values y=9 Evaluate 1×(9−y1)To find the excluded values,set the denominators equal to 0 9−y=0Move the constant to the right-hand side and change its sign −y=0−9Removing 0 doesn't change the value,so remove it from the expression −y=−9Solution y=9 Show Solution Find the roots y∈∅ Evaluate 1×(9−y1)To find the roots of the expression,set the expression equal to 0 1×(9−y1)=0Find the domain More Steps Evaluate 9−y=0Move the constant to the right side −y=0−9Removing 0 doesn't change the value,so remove it from the expression −y=−9Change the signs on both sides of the equation y=9 1×(9−y1)=0,y=9Calculate 1×(9−y1)=0Remove the unnecessary parentheses 1×9−y1=0Calculate 9−y1=0Cross multiply 1=(9−y)×0Simplify the equation 1=0Solution y∈∅ Show Solution