Question Factor the expression n(420−n) Evaluate 420n−n2Rewrite the expression n×420−n×nSolution n(420−n) Show Solution Find the roots n1=0,n2=420 Evaluate 420n−n2To find the roots of the expression,set the expression equal to 0 420n−n2=0Factor the expression More Steps Evaluate 420n−n2Rewrite the expression n×420−n×nFactor out n from the expression n(420−n) n(420−n)=0When the product of factors equals 0,at least one factor is 0 n=0420−n=0Solve the equation for n More Steps Evaluate 420−n=0Move the constant to the right-hand side and change its sign −n=0−420Removing 0 doesn't change the value,so remove it from the expression −n=−420Change the signs on both sides of the equation n=420 n=0n=420Solution n1=0,n2=420 Show Solution
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