Question Simplify the expression 312−9a Evaluate 312−a×9Solution 312−9a Show Solution Factor the expression 3(104−3a) Evaluate 312−a×9Use the commutative property to reorder the terms 312−9aSolution 3(104−3a) Show Solution Find the roots a=3104Alternative Form a=34.6˙ Evaluate 312−a×9To find the roots of the expression,set the expression equal to 0 312−a×9=0Use the commutative property to reorder the terms 312−9a=0Move the constant to the right-hand side and change its sign −9a=0−312Removing 0 doesn't change the value,so remove it from the expression −9a=−312Change the signs on both sides of the equation 9a=312Divide both sides 99a=9312Divide the numbers a=9312Solution a=3104Alternative Form a=34.6˙ Show Solution