Question Simplify the expression 2017254142−a Evaluate 126−2017aReduce fractions to a common denominator 2017126×2017−2017aWrite all numerators above the common denominator 2017126×2017−aSolution 2017254142−a Show Solution Find the roots a=254142 Evaluate 126−2017aTo find the roots of the expression,set the expression equal to 0 126−2017a=0Subtract the terms More Steps Simplify 126−2017aReduce fractions to a common denominator 2017126×2017−2017aWrite all numerators above the common denominator 2017126×2017−aMultiply the numbers 2017254142−a 2017254142−a=0Simplify 254142−a=0Move the constant to the right side −a=0−254142Removing 0 doesn't change the value,so remove it from the expression −a=−254142Solution a=254142 Show Solution