Question Simplify the expression 2015137020−a Evaluate 68−2015aReduce fractions to a common denominator 201568×2015−2015aWrite all numerators above the common denominator 201568×2015−aSolution 2015137020−a Show Solution Find the roots a=137020 Evaluate 68−2015aTo find the roots of the expression,set the expression equal to 0 68−2015a=0Subtract the terms More Steps Simplify 68−2015aReduce fractions to a common denominator 201568×2015−2015aWrite all numerators above the common denominator 201568×2015−aMultiply the numbers 2015137020−a 2015137020−a=0Simplify 137020−a=0Move the constant to the right side −a=0−137020Removing 0 doesn't change the value,so remove it from the expression −a=−137020Solution a=137020 Show Solution