Question Factor the expression 10(1−40l) Evaluate 10−400lSolution 10(1−40l) Show Solution Find the roots l=401Alternative Form l=0.025 Evaluate 10−400lTo find the roots of the expression,set the expression equal to 0 10−400l=0Move the constant to the right-hand side and change its sign −400l=0−10Removing 0 doesn't change the value,so remove it from the expression −400l=−10Change the signs on both sides of the equation 400l=10Divide both sides 400400l=40010Divide the numbers l=40010Solution l=401Alternative Form l=0.025 Show Solution
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