Question Simplify the expression −9s Evaluate s×0−s×9Any expression multiplied by 0 equals 0 0−s×9Use the commutative property to reorder the terms 0−9sSolution −9s Show Solution Find the roots s=0 Evaluate s×0−s×9To find the roots of the expression,set the expression equal to 0 s×0−s×9=0Any expression multiplied by 0 equals 0 0−s×9=0Use the commutative property to reorder the terms 0−9s=0Removing 0 doesn't change the value,so remove it from the expression −9s=0Change the signs on both sides of the equation 9s=0Solution s=0 Show Solution