Question Simplify the expression a30a−1 Evaluate 30−a1Reduce fractions to a common denominator a30a−a1Solution a30a−1 Show Solution Find the excluded values a=0 Evaluate 30−a1Solution a=0 Show Solution Find the roots a=301Alternative Form a=0.03˙ Evaluate 30−a1To find the roots of the expression,set the expression equal to 0 30−a1=0Find the domain 30−a1=0,a=0Calculate 30−a1=0Subtract the terms More Steps Simplify 30−a1Reduce fractions to a common denominator a30a−a1Write all numerators above the common denominator a30a−1 a30a−1=0Cross multiply 30a−1=a×0Simplify the equation 30a−1=0Move the constant to the right side 30a=0+1Removing 0 doesn't change the value,so remove it from the expression 30a=1Divide both sides 3030a=301Divide the numbers a=301Check if the solution is in the defined range a=301,a=0Solution a=301Alternative Form a=0.03˙ Show Solution