You can put this solution on YOUR website! Assuming that your problem looks like this ....
factor out a -1 from the denom of the 3rd fraction
factor out a 3 from the denom. of the 2nd fraction
Multiply the 1st and 3rd fraction by 3/3
find the numerators, remeber that the - in the denominator changes the fraction to a negative
combine into one fraction
work the numerator
reduce