9x-3xy
Factor out 3x from both terms.
3x(3-y)
answer: 3x(3-y)
1. write in standard form
2. group like terms
3. combine like terms
4. distribute the negative
So you do 20%*426 to get 85.2 then you would subtract 85.2 from 426 because they sold 20% more than last year. On top of that the answer isn't 355 it is 340.8.
