Question Factor the expression 7(1−10l) Evaluate 7−70lSolution 7(1−10l) Show Solution Find the roots l=101Alternative Form l=0.1 Evaluate 7−70lTo find the roots of the expression,set the expression equal to 0 7−70l=0Move the constant to the right-hand side and change its sign −70l=0−7Removing 0 doesn't change the value,so remove it from the expression −70l=−7Change the signs on both sides of the equation 70l=7Divide both sides 7070l=707Divide the numbers l=707Solution l=101Alternative Form l=0.1 Show Solution