Question Simplify the expression b78b−1 Evaluate 78−b1Reduce fractions to a common denominator b78b−b1Solution b78b−1 Show Solution Find the excluded values b=0 Evaluate 78−b1Solution b=0 Show Solution Find the roots b=781Alternative Form b=0.01˙28205˙ Evaluate 78−b1To find the roots of the expression,set the expression equal to 0 78−b1=0Find the domain 78−b1=0,b=0Calculate 78−b1=0Subtract the terms More Steps Simplify 78−b1Reduce fractions to a common denominator b78b−b1Write all numerators above the common denominator b78b−1 b78b−1=0Cross multiply 78b−1=b×0Simplify the equation 78b−1=0Move the constant to the right side 78b=0+1Removing 0 doesn't change the value,so remove it from the expression 78b=1Divide both sides 7878b=781Divide the numbers b=781Check if the solution is in the defined range b=781,b=0Solution b=781Alternative Form b=0.01˙28205˙ Show Solution