Question Factor the expression 9(21l−1) Evaluate 189l−9Solution 9(21l−1) Show Solution Find the roots l=211Alternative Form l=0.0˙47619˙ Evaluate 189l−9To find the roots of the expression,set the expression equal to 0 189l−9=0Move the constant to the right-hand side and change its sign 189l=0+9Removing 0 doesn't change the value,so remove it from the expression 189l=9Divide both sides 189189l=1899Divide the numbers l=1899Solution l=211Alternative Form l=0.0˙47619˙ Show Solution
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