Question Factor the expression 15(479−48l) Evaluate 7185−720lSolution 15(479−48l) Show Solution Find the roots l=48479Alternative Form l=9.97916˙ Evaluate 7185−720lTo find the roots of the expression,set the expression equal to 0 7185−720l=0Move the constant to the right-hand side and change its sign −720l=0−7185Removing 0 doesn't change the value,so remove it from the expression −720l=−7185Change the signs on both sides of the equation 720l=7185Divide both sides 720720l=7207185Divide the numbers l=7207185Solution l=48479Alternative Form l=9.97916˙ Show Solution