Question Simplify the expression 13−9a Evaluate 39÷3−9aSolution 13−9a Show Solution Find the roots a=913Alternative Form a=1.4˙ Evaluate 39÷3−9aTo find the roots of the expression,set the expression equal to 0 39÷3−9a=0Divide the numbers 13−9a=0Move the constant to the right-hand side and change its sign −9a=0−13Removing 0 doesn't change the value,so remove it from the expression −9a=−13Change the signs on both sides of the equation 9a=13Divide both sides 99a=913Solution a=913Alternative Form a=1.4˙ Show Solution