SOLUTION: Divide if possible. -105 divided by -21

Algebra ->  Divisibility and Prime Numbers  -> Lessons -> SOLUTION: Divide if possible. -105 divided by -21      Log On


   



Question 245848: Divide if possible.
-105 divided by -21

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
-105/-21
remember minus divided by minus = plus and equals 105/21
think of it as -1*(105)/(-1)*21 which is
(-1/-1)*(105/21)
since -1/-1=1 the two minuses cancel each other out.
now divide 105 by 21