Question Simplify the expression f1 Evaluate f×f21Cancel out the common factor f 1×f1Solution f1 Show Solution Find the excluded values f=0 Evaluate f×f21To find the excluded values,set the denominators equal to 0 f2=0Solution f=0 Show Solution Find the roots f∈∅ Evaluate f×f21To find the roots of the expression,set the expression equal to 0 f×f21=0The only way a power can not be 0 is when the base not equals 0 f×f21=0,f=0Calculate f×f21=0Multiply the terms More Steps Multiply the terms f×f21Cancel out the common factor f 1×f1Multiply the terms f1 f1=0Cross multiply 1=f×0Simplify the equation 1=0Solution f∈∅ Show Solution