Question Factor the expression 5(l−84) Evaluate 5l−420Solution 5(l−84) Show Solution Find the roots l=84 Evaluate 5l−420To find the roots of the expression,set the expression equal to 0 5l−420=0Move the constant to the right-hand side and change its sign 5l=0+420Removing 0 doesn't change the value,so remove it from the expression 5l=420Divide both sides 55l=5420Divide the numbers l=5420Solution More Steps Evaluate 5420Reduce the numbers 184Calculate 84 l=84 Show Solution