Question Factor the expression 5(3−16l) Evaluate 15−80lSolution 5(3−16l) Show Solution Find the roots l=163Alternative Form l=0.1875 Evaluate 15−80lTo find the roots of the expression,set the expression equal to 0 15−80l=0Move the constant to the right-hand side and change its sign −80l=0−15Removing 0 doesn't change the value,so remove it from the expression −80l=−15Change the signs on both sides of the equation 80l=15Divide both sides 8080l=8015Divide the numbers l=8015Solution l=163Alternative Form l=0.1875 Show Solution