Question Simplify the expression r117r−3 Evaluate 117−r3×1Calculate 117−r3Reduce fractions to a common denominator r117r−r3Solution r117r−3 Show Solution Find the excluded values r=0 Evaluate 117−r3×1Solution r=0 Show Solution Find the roots r=391Alternative Form r=0.0˙25641˙ Evaluate 117−r3×1To find the roots of the expression,set the expression equal to 0 117−r3×1=0Find the domain 117−r3×1=0,r=0Calculate 117−r3×1=0Calculate 117−r3=0Subtract the terms More Steps Simplify 117−r3Reduce fractions to a common denominator r117r−r3Write all numerators above the common denominator r117r−3 r117r−3=0Cross multiply 117r−3=r×0Simplify the equation 117r−3=0Move the constant to the right side 117r=0+3Removing 0 doesn't change the value,so remove it from the expression 117r=3Divide both sides 117117r=1173Divide the numbers r=1173Cancel out the common factor 3 r=391Check if the solution is in the defined range r=391,r=0Solution r=391Alternative Form r=0.0˙25641˙ Show Solution