Question Simplify the expression 2n2−81n Evaluate 2n2−9n×9Solution 2n2−81n Show Solution Factor the expression n(2n−81) Evaluate 2n2−9n×9Multiply the terms 2n2−81nRewrite the expression n×2n−n×81Solution n(2n−81) Show Solution Find the roots n1=0,n2=281Alternative Form n1=0,n2=40.5 Evaluate 2n2−9n×9To find the roots of the expression,set the expression equal to 0 2n2−9n×9=0Multiply the terms 2n2−81n=0Factor the expression More Steps Evaluate 2n2−81nRewrite the expression n×2n−n×81Factor out n from the expression n(2n−81) n(2n−81)=0When the product of factors equals 0,at least one factor is 0 n=02n−81=0Solve the equation for n More Steps Evaluate 2n−81=0Move the constant to the right-hand side and change its sign 2n=0+81Removing 0 doesn't change the value,so remove it from the expression 2n=81Divide both sides 22n=281Divide the numbers n=281 n=0n=281Solution n1=0,n2=281Alternative Form n1=0,n2=40.5 Show Solution