Question Find the roots x=209Alternative Form x=0.45 Evaluate 20x−9To find the roots of the expression,set the expression equal to 0 20x−9=0Move the constant to the right-hand side and change its sign 20x=0+9Removing 0 doesn't change the value,so remove it from the expression 20x=9Divide both sides 2020x=209Solution x=209Alternative Form x=0.45 Show Solution