Question Simplify the expression 16r2−216r Evaluate 16r2−24r×9Solution 16r2−216r Show Solution Factor the expression 8r(2r−27) Evaluate 16r2−24r×9Multiply the terms 16r2−216rRewrite the expression 8r×2r−8r×27Solution 8r(2r−27) Show Solution Find the roots r1=0,r2=227Alternative Form r1=0,r2=13.5 Evaluate 16r2−24r×9To find the roots of the expression,set the expression equal to 0 16r2−24r×9=0Multiply the terms 16r2−216r=0Factor the expression More Steps Evaluate 16r2−216rRewrite the expression 8r×2r−8r×27Factor out 8r from the expression 8r(2r−27) 8r(2r−27)=0When the product of factors equals 0,at least one factor is 0 8r=02r−27=0Solve the equation for r r=02r−27=0Solve the equation for r More Steps Evaluate 2r−27=0Move the constant to the right-hand side and change its sign 2r=0+27Removing 0 doesn't change the value,so remove it from the expression 2r=27Divide both sides 22r=227Divide the numbers r=227 r=0r=227Solution r1=0,r2=227Alternative Form r1=0,r2=13.5 Show Solution