Question Factor the expression 4(4−75σ) Evaluate 16−300σSolution 4(4−75σ) Show Solution Find the roots σ=754Alternative Form σ=0.053˙ Evaluate 16−300σTo find the roots of the expression,set the expression equal to 0 16−300σ=0Move the constant to the right-hand side and change its sign −300σ=0−16Removing 0 doesn't change the value,so remove it from the expression −300σ=−16Change the signs on both sides of the equation 300σ=16Divide both sides 300300σ=30016Divide the numbers σ=30016Solution σ=754Alternative Form σ=0.053˙ Show Solution
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