(1*-2*3)/(2*-3) = -6/-6 = 1
You have the following equation:
abc/(2)(-3)
a = 1
b = -2
c = 3
Replace the values into the equation:
(1*-2*3)/(2)(-3)
The numerator is (1*-2*3) = -6
The denominator is (2)(-3) = -6
-6/-6 = 1
if you divide the same amount by the same amount the result is 1