Question Factor the expression 20(1−10σ) Evaluate 20−200σSolution 20(1−10σ) Show Solution Find the roots σ=101Alternative Form σ=0.1 Evaluate 20−200σTo find the roots of the expression,set the expression equal to 0 20−200σ=0Move the constant to the right-hand side and change its sign −200σ=0−20Removing 0 doesn't change the value,so remove it from the expression −200σ=−20Change the signs on both sides of the equation 200σ=20Divide both sides 200200σ=20020Divide the numbers σ=20020Solution σ=101Alternative Form σ=0.1 Show Solution
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