Question Factor the expression 3(2749−7l) Evaluate 8247−21lSolution 3(2749−7l) Show Solution Find the roots l=72749Alternative Form l=392.7˙14285˙ Evaluate 8247−21lTo find the roots of the expression,set the expression equal to 0 8247−21l=0Move the constant to the right-hand side and change its sign −21l=0−8247Removing 0 doesn't change the value,so remove it from the expression −21l=−8247Change the signs on both sides of the equation 21l=8247Divide both sides 2121l=218247Divide the numbers l=218247Solution l=72749Alternative Form l=392.7˙14285˙ Show Solution