Question Simplify the expression 2d2−171d Evaluate 2d2−19d×9Solution 2d2−171d Show Solution Factor the expression d(2d−171) Evaluate 2d2−19d×9Multiply the terms 2d2−171dRewrite the expression d×2d−d×171Solution d(2d−171) Show Solution Find the roots d1=0,d2=2171Alternative Form d1=0,d2=85.5 Evaluate 2d2−19d×9To find the roots of the expression,set the expression equal to 0 2d2−19d×9=0Multiply the terms 2d2−171d=0Factor the expression More Steps Evaluate 2d2−171dRewrite the expression d×2d−d×171Factor out d from the expression d(2d−171) d(2d−171)=0When the product of factors equals 0,at least one factor is 0 d=02d−171=0Solve the equation for d More Steps Evaluate 2d−171=0Move the constant to the right-hand side and change its sign 2d=0+171Removing 0 doesn't change the value,so remove it from the expression 2d=171Divide both sides 22d=2171Divide the numbers d=2171 d=0d=2171Solution d1=0,d2=2171Alternative Form d1=0,d2=85.5 Show Solution