Question Factor the expression 10(7−30l) Evaluate 70−300lSolution 10(7−30l) Show Solution Find the roots l=307Alternative Form l=0.23˙ Evaluate 70−300lTo find the roots of the expression,set the expression equal to 0 70−300l=0Move the constant to the right-hand side and change its sign −300l=0−70Removing 0 doesn't change the value,so remove it from the expression −300l=−70Change the signs on both sides of the equation 300l=70Divide both sides 300300l=30070Divide the numbers l=30070Solution l=307Alternative Form l=0.23˙ Show Solution