Question Simplify the expression 220x−9 Evaluate 20x×11−9Solution 220x−9 Show Solution Find the roots x=2209Alternative Form x=0.040˙9˙ Evaluate 20x×11−9To find the roots of the expression,set the expression equal to 0 20x×11−9=0Multiply the terms 220x−9=0Move the constant to the right-hand side and change its sign 220x=0+9Removing 0 doesn't change the value,so remove it from the expression 220x=9Divide both sides 220220x=2209Solution x=2209Alternative Form x=0.040˙9˙ Show Solution