Question Factor the expression 4(7−75l) Evaluate 28−300lSolution 4(7−75l) Show Solution Find the roots l=757Alternative Form l=0.093˙ Evaluate 28−300lTo find the roots of the expression,set the expression equal to 0 28−300l=0Move the constant to the right-hand side and change its sign −300l=0−28Removing 0 doesn't change the value,so remove it from the expression −300l=−28Change the signs on both sides of the equation 300l=28Divide both sides 300300l=30028Divide the numbers l=30028Solution l=757Alternative Form l=0.093˙ Show Solution