To solve work problems, find the portion of the job each person completes in 1 unit of time. The sum of these portions is the po
rtion of the job completed in 1 unit of time. You can mop a floor in 8 minutes. Your friend can mop the same floor in 12 minutes. Working together, how much time does it take to mop the floor?
Now let’s evaluate this down if b=3 then you do 3x3 because b is squared which equals 9 then we do 6b which is 18, so 9-18 is (-9) then we do -9 - 5 which is -14