Question Simplify the expression 711−1247j Evaluate 70110−1247jSolution 711−1247j Show Solution Factor the expression 71(11−8729j) Evaluate 70110−1247jCancel out the common factor 10 711−1247jSolution 71(11−8729j) Show Solution Find the roots j=872911Alternative Form j≈0.00126 Evaluate 70110−1247jTo find the roots of the expression,set the expression equal to 0 70110−1247j=0Cancel out the common factor 10 711−1247j=0Move the constant to the right-hand side and change its sign −1247j=0−711Removing 0 doesn't change the value,so remove it from the expression −1247j=−711Change the signs on both sides of the equation 1247j=711Multiply by the reciprocal 1247j×12471=711×12471Multiply j=711×12471Solution More Steps Evaluate 711×12471To multiply the fractions,multiply the numerators and denominators separately 7×124711Multiply the numbers 872911 j=872911Alternative Form j≈0.00126 Show Solution