Question Simplify the expression 47−1870r Evaluate 80140−1870rSolution 47−1870r Show Solution Factor the expression 41(7−7480r) Evaluate 80140−1870rCancel out the common factor 20 47−1870rSolution 41(7−7480r) Show Solution Find the roots r=74807Alternative Form r≈0.000936 Evaluate 80140−1870rTo find the roots of the expression,set the expression equal to 0 80140−1870r=0Cancel out the common factor 20 47−1870r=0Move the constant to the right-hand side and change its sign −1870r=0−47Removing 0 doesn't change the value,so remove it from the expression −1870r=−47Change the signs on both sides of the equation 1870r=47Multiply by the reciprocal 1870r×18701=47×18701Multiply r=47×18701Solution More Steps Evaluate 47×18701To multiply the fractions,multiply the numerators and denominators separately 4×18707Multiply the numbers 74807 r=74807Alternative Form r≈0.000936 Show Solution