Question Factor the expression 2(9−125σ) Evaluate 18−250σSolution 2(9−125σ) Show Solution Find the roots σ=1259Alternative Form σ=0.072 Evaluate 18−250σTo find the roots of the expression,set the expression equal to 0 18−250σ=0Move the constant to the right-hand side and change its sign −250σ=0−18Removing 0 doesn't change the value,so remove it from the expression −250σ=−18Change the signs on both sides of the equation 250σ=18Divide both sides 250250σ=25018Divide the numbers σ=25018Solution σ=1259Alternative Form σ=0.072 Show Solution
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