For (x - 6)(x + 2) to equal 0, either (x - 6) or (x + 2) must equal . the values of x that would result in the given expression being equal to 0, in order from least to greatest, are and .

Randy and trey take turns cleaning offices on the weekends. it takes randy at most 4 hours to clean the offices. it takes trey at most 6 hours to clean the offices. what is the greatest amount of time it would take them to clean the offices together? 2.4 hours 2.5 hours