Question Factor the expression 2(9−25σ) Evaluate 18−50σSolution 2(9−25σ) Show Solution Find the roots σ=259Alternative Form σ=0.36 Evaluate 18−50σTo find the roots of the expression,set the expression equal to 0 18−50σ=0Move the constant to the right-hand side and change its sign −50σ=0−18Removing 0 doesn't change the value,so remove it from the expression −50σ=−18Change the signs on both sides of the equation 50σ=18Divide both sides 5050σ=5018Divide the numbers σ=5018Solution σ=259Alternative Form σ=0.36 Show Solution
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